Add lightweight dockerfile #1
Conversation
WalkthroughAdds a Dockerfile and an executable entrypoint that set up Nix on Ubuntu 22.04, clone a pinned repo, build and extract a CLI via nix, run a local DB sync, upload artifacts (DigitalOcean Spaces or Cloudflare R2), and swaps Changes
Sequence Diagram(s)sequenceDiagram
participant Container as Container Runtime
participant Entrypoint as docker-entrypoint.sh
participant Repo as Remote Git
participant Nix as Nix Build Env
participant CLI as Built CLI
participant DB as Local DB
participant Storage as Cloud Storage
Note over Container,Entrypoint: Container start → ENTRYPOINT
Container->>Entrypoint: start
Entrypoint->>Entrypoint: set -euo pipefail, resolve dirs, cd project
Entrypoint->>Repo: clone pinned commit & init submodules
Entrypoint->>Nix: run prep scripts & nix develop to build CLI
Nix->>CLI: produce CLI artifact
Entrypoint->>CLI: extract & chmod
Entrypoint->>DB: run sync via CLI
alt UPLOAD_BACKEND == "spaces"
Entrypoint->>Storage: upload artifacts → DigitalOcean Spaces
else UPLOAD_BACKEND == "r2"
Entrypoint->>Storage: upload artifacts → Cloudflare R2
else
Entrypoint-->>Entrypoint: fail unsupported backend
end
Entrypoint->>Entrypoint: cleanup artifacts (archive, local DB)
Entrypoint->>Container: exit
Estimated code review effort🎯 3 (Moderate) | ⏱️ ~25 minutes
Pre-merge checks and finishing touches✅ Passed checks (3 passed)
✨ Finishing touches
🧪 Generate unit tests (beta)
Comment |
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Actionable comments posted: 4
📜 Review details
Configuration used: CodeRabbit UI
Review profile: ASSERTIVE
Plan: Pro
📒 Files selected for processing (2)
Dockerfile(1 hunks)scripts/docker-entrypoint.sh(1 hunks)
🧰 Additional context used
🪛 Checkov (3.2.334)
Dockerfile
[low] 1-20: Ensure that HEALTHCHECK instructions have been added to container images
(CKV_DOCKER_2)
[low] 1-20: Ensure that a user for the container has been created
(CKV_DOCKER_3)
🪛 Hadolint (2.14.0)
Dockerfile
[warning] 5-5: Pin versions in apt get install. Instead of apt-get install <package> use apt-get install <package>=<version>
(DL3008)
🔇 Additional comments (4)
scripts/docker-entrypoint.sh (4)
2-2: Approve strict error handling withset -euo pipefail.The use of
set -euo pipefailensures the script fails fast on errors, undefined variables, and pipe failures. This is excellent defensive programming for a container entrypoint.
9-9: Approve environment variable with sensible default.The
UPLOAD_BACKENDenvironment variable with a default value of "spaces" provides good flexibility while ensuring the script has a fallback behavior.
17-30: Approve robust backend selection with case statement and validation.The case statement properly validates the
UPLOAD_BACKENDvalue and exits with an error if an unknown backend is specified. This prevents silent failures from typos or misconfiguration.
1-35: All referenced scripts exist and are executable.Verification confirms that the five external scripts called by the entrypoint script are all present and executable, so no runtime failures will occur due to missing dependencies.
Dockerfile
Outdated
| FROM debian:bookworm-slim | ||
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| ENV DEBIAN_FRONTEND=noninteractive | ||
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| RUN apt-get update \ | ||
| && apt-get install -y --no-install-recommends \ | ||
| bash \ | ||
| ca-certificates \ | ||
| curl \ | ||
| findutils \ | ||
| gzip \ | ||
| tar \ | ||
| awscli \ | ||
| && rm -rf /var/lib/apt/lists/* | ||
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| WORKDIR /app | ||
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| COPY scripts ./scripts | ||
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| ENTRYPOINT ["/app/scripts/docker-entrypoint.sh"] |
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🧹 Nitpick | 🔵 Trivial
Add a HEALTHCHECK instruction for container orchestration.
The container lacks a HEALTHCHECK instruction, which prevents orchestration platforms (Docker Swarm, Kubernetes) from automatically detecting unhealthy instances and restarting them.
Consider adding a HEALTHCHECK instruction to verify the container's readiness. For example:
FROM debian:bookworm-slim
ENV DEBIAN_FRONTEND=noninteractive
+ HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
+ CMD curl -f http://localhost:8080/health || exit 1Adjust the health check endpoint and interval based on your application's behavior. If the application does not expose a health endpoint, you could check for the existence of a marker file created after successful initialization.
🧰 Tools
🪛 Checkov (3.2.334)
[low] 1-20: Ensure that HEALTHCHECK instructions have been added to container images
(CKV_DOCKER_2)
[low] 1-20: Ensure that a user for the container has been created
(CKV_DOCKER_3)
🪛 Hadolint (2.14.0)
[warning] 5-5: Pin versions in apt get install. Instead of apt-get install <package> use apt-get install <package>=<version>
(DL3008)
🤖 Prompt for AI Agents
In Dockerfile around lines 1 to 20, there is no HEALTHCHECK instruction which
prevents orchestration tools from detecting unhealthy containers; add a
HEALTHCHECK that periodically probes an appropriate readiness endpoint or marker
file inside the container (for example, curl --fail http://localhost:PORT/health
or test -f /var/run/app-ready) with sensible interval, timeout and retries so
the runtime can mark and restart unhealthy instances; place the HEALTHCHECK
after ENTRYPOINT or at end of file and tune interval, timeout and retries to
match your app startup/behavior.
🧩 Analysis chain
Establish a non-root user to mitigate privilege escalation risks.
The container runs as root by default. This violates the principle of least privilege and increases security risk if the container is compromised or runs untrusted code.
Add a non-root user and switch to it before the entrypoint. Apply this diff:
RUN apt-get update \
&& apt-get install -y --no-install-recommends \
bash \
ca-certificates \
curl \
findutils \
gzip \
tar \
awscli \
&& rm -rf /var/lib/apt/lists/*
+ RUN useradd -m -u 1000 appuser
+
WORKDIR /app
COPY scripts ./scripts
+ RUN chown -R appuser:appuser /app
+ USER appuser
+
ENTRYPOINT ["/app/scripts/docker-entrypoint.sh"]Verify that the entrypoint scripts do not require root privileges.
I'll verify the review comment by examining the entrypoint script and checking if it requires root privileges.
---
🏁 Script executed:
```shell
#!/bin/bash
# Find and examine the docker-entrypoint.sh script
find . -name "docker-entrypoint.sh" -type f | head -20
Length of output: 30
🏁 Script executed:
#!/bin/bash
# If found, check the contents and permissions of entrypoint script and related scripts
if [ -f "./scripts/docker-entrypoint.sh" ]; then
echo "=== docker-entrypoint.sh ==="
cat ./scripts/docker-entrypoint.sh
echo ""
echo "=== All scripts in ./scripts directory ==="
ls -la ./scripts/
echo ""
echo "=== Checking for root-requiring operations in scripts ==="
grep -r -i "apt-get\|apt\|apt-key\|usermod\|useradd\|groupadd\|chown\|chmod.*root\|sudo" ./scripts/ || echo "No obvious root-requiring ops found"
fiLength of output: 1379
🏁 Script executed:
#!/bin/bash
# Check directory structure and permissions
echo "=== Checking if /app exists or would be created ==="
if [ -d "./app" ]; then
ls -la ./app/
else
echo "./app directory does not exist in repo root (will be created at runtime)"
fiLength of output: 124
I need to examine the subscripts called by the entrypoint to ensure they don't require root privileges.
---
🏁 Script executed:
```shell
#!/bin/bash
# Examine each subscript for root-requiring operations
for script in download-binary.sh sync.sh cleanup.sh do-spaces-upload.sh r2-upload.sh; do
echo "=== $script ==="
cat "./scripts/$script"
echo ""
done
Length of output: 6469
Establish a non-root user to mitigate privilege escalation risks.
The container runs as root by default. This violates the principle of least privilege and increases security risk if the container is compromised or runs untrusted code.
Verification confirms that all scripts called by the entrypoint (download-binary.sh, sync.sh, cleanup.sh, do-spaces-upload.sh, r2-upload.sh) perform only user-level operations: curl, tar, mkdir, chmod, AWS CLI configuration, and file I/O. None require elevated privileges.
Add a non-root user and switch to it before the entrypoint. Apply this diff:
RUN apt-get update \
&& apt-get install -y --no-install-recommends \
bash \
ca-certificates \
curl \
findutils \
gzip \
tar \
awscli \
&& rm -rf /var/lib/apt/lists/*
+ RUN useradd -m -u 1000 appuser
+
WORKDIR /app
COPY scripts ./scripts
+ RUN chown -R appuser:appuser /app
+ USER appuser
+
ENTRYPOINT ["/app/scripts/docker-entrypoint.sh"]📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| FROM debian:bookworm-slim | |
| ENV DEBIAN_FRONTEND=noninteractive | |
| RUN apt-get update \ | |
| && apt-get install -y --no-install-recommends \ | |
| bash \ | |
| ca-certificates \ | |
| curl \ | |
| findutils \ | |
| gzip \ | |
| tar \ | |
| awscli \ | |
| && rm -rf /var/lib/apt/lists/* | |
| WORKDIR /app | |
| COPY scripts ./scripts | |
| ENTRYPOINT ["/app/scripts/docker-entrypoint.sh"] | |
| FROM debian:bookworm-slim | |
| ENV DEBIAN_FRONTEND=noninteractive | |
| RUN apt-get update \ | |
| && apt-get install -y --no-install-recommends \ | |
| bash \ | |
| ca-certificates \ | |
| curl \ | |
| findutils \ | |
| gzip \ | |
| tar \ | |
| awscli \ | |
| && rm -rf /var/lib/apt/lists/* | |
| RUN useradd -m -u 1000 appuser | |
| WORKDIR /app | |
| COPY scripts ./scripts | |
| RUN chown -R appuser:appuser /app | |
| USER appuser | |
| ENTRYPOINT ["/app/scripts/docker-entrypoint.sh"] |
🧰 Tools
🪛 Checkov (3.2.334)
[low] 1-20: Ensure that HEALTHCHECK instructions have been added to container images
(CKV_DOCKER_2)
[low] 1-20: Ensure that a user for the container has been created
(CKV_DOCKER_3)
🪛 Hadolint (2.14.0)
[warning] 5-5: Pin versions in apt get install. Instead of apt-get install <package> use apt-get install <package>=<version>
(DL3008)
🤖 Prompt for AI Agents
In Dockerfile lines 1-20, the image currently runs as root; create a non-root
user and use it for the container to reduce privilege risk. Add steps to create
a dedicated user and group (e.g., addgroup/adduser or useradd), create/own the
/app directory and any required dirs, set a sensible HOME, and switch the image
to that user with the USER instruction before ENTRYPOINT; ensure files copied
into /app (scripts) are chowned to the new user so the entrypoint can execute
them without root.
| echo "⬇️ Downloading CLI binary" | ||
| ./scripts/download-binary.sh | ||
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| echo "🔁 Syncing local DB" | ||
| ./scripts/sync.sh | ||
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| case "$UPLOAD_BACKEND" in | ||
| spaces) | ||
| echo "☁️ Uploading artifacts to DigitalOcean Spaces" | ||
| ./scripts/do-spaces-upload.sh | ||
| ;; | ||
| r2) | ||
| echo "☁️ Uploading artifacts to Cloudflare R2" | ||
| ./scripts/r2-upload.sh | ||
| ;; | ||
| *) | ||
| echo "❌ Unknown UPLOAD_BACKEND value: $UPLOAD_BACKEND" | ||
| exit 1 | ||
| ;; | ||
| esac | ||
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| echo "🧹 Cleaning up artifacts" | ||
| ./scripts/cleanup.sh |
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🧹 Nitpick | 🔵 Trivial
Consider adding optional timeout handling and graceful degradation for long-running scripts.
Each script call runs without a timeout. If any script hangs (e.g., network connectivity issues), the container will hang indefinitely, potentially blocking orchestration platforms from starting new instances.
Consider wrapping script calls with timeout and adding optional fallback logic:
- echo "⬇️ Downloading CLI binary"
- ./scripts/download-binary.sh
+ echo "⬇️ Downloading CLI binary"
+ timeout 300 ./scripts/download-binary.sh || {
+ echo "⚠️ Download failed (exit code: $?)"
+ [ "${ALLOW_DOWNLOAD_FAILURE:-false}" = "true" ] && echo "Continuing anyway..." || exit 1
+ }This approach:
- Adds a 5-minute timeout (adjust as needed)
- Allows scripts to optionally fail gracefully via env vars (e.g.,
ALLOW_DOWNLOAD_FAILURE) - Prevents indefinite hangs
Adjust timeout values and failure-tolerance based on your expected script execution times and operational requirements.
📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| echo "⬇️ Downloading CLI binary" | |
| ./scripts/download-binary.sh | |
| echo "🔁 Syncing local DB" | |
| ./scripts/sync.sh | |
| case "$UPLOAD_BACKEND" in | |
| spaces) | |
| echo "☁️ Uploading artifacts to DigitalOcean Spaces" | |
| ./scripts/do-spaces-upload.sh | |
| ;; | |
| r2) | |
| echo "☁️ Uploading artifacts to Cloudflare R2" | |
| ./scripts/r2-upload.sh | |
| ;; | |
| *) | |
| echo "❌ Unknown UPLOAD_BACKEND value: $UPLOAD_BACKEND" | |
| exit 1 | |
| ;; | |
| esac | |
| echo "🧹 Cleaning up artifacts" | |
| ./scripts/cleanup.sh | |
| echo "⬇️ Downloading CLI binary" | |
| timeout 300 ./scripts/download-binary.sh || { | |
| echo "⚠️ Download failed (exit code: $?)" | |
| [ "${ALLOW_DOWNLOAD_FAILURE:-false}" = "true" ] && echo "Continuing anyway..." || exit 1 | |
| } | |
| echo "🔁 Syncing local DB" | |
| ./scripts/sync.sh | |
| case "$UPLOAD_BACKEND" in | |
| spaces) | |
| echo "☁️ Uploading artifacts to DigitalOcean Spaces" | |
| ./scripts/do-spaces-upload.sh | |
| ;; | |
| r2) | |
| echo "☁️ Uploading artifacts to Cloudflare R2" | |
| ./scripts/r2-upload.sh | |
| ;; | |
| *) | |
| echo "❌ Unknown UPLOAD_BACKEND value: $UPLOAD_BACKEND" | |
| exit 1 | |
| ;; | |
| esac | |
| echo "🧹 Cleaning up artifacts" | |
| ./scripts/cleanup.sh |
🤖 Prompt for AI Agents
In scripts/docker-entrypoint.sh around lines 11 to 33, the script calls
(download-binary.sh, sync.sh, upload scripts, cleanup.sh) run without timeouts
and can hang indefinitely; wrap each invocation with a configurable timeout
(e.g., TIMEOUT_SECS env var) using the timeout utility, capture the exit status,
and if it times out or fails use per-step env flags (e.g.,
ALLOW_DOWNLOAD_FAILURE, ALLOW_SYNC_FAILURE, ALLOW_UPLOAD_FAILURE,
ALLOW_CLEANUP_FAILURE) to decide whether to continue or exit non-zero; ensure
you log a clear message on timeout/failure, respect the allow flags to either
proceed with a warning or abort the entrypoint with exit 1, and set reasonable
defaults for TIMEOUT_SECS and allow flags so operational behavior is
predictable.
There was a problem hiding this comment.
@findolor, understood! I've noted your decision on the timeout handling.
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Actionable comments posted: 2
♻️ Duplicate comments (3)
Dockerfile (3)
5-14: Pin package versions to ensure reproducible builds.Unpinned apt packages can install different versions on subsequent rebuilds, leading to non-deterministic behavior and difficult-to-reproduce issues. This is flagged by Hadolint (DL3008) and is a best practice for production images.
Apply this diff to pin package versions:
RUN apt-get update \ && apt-get install -y --no-install-recommends \ - bash \ - ca-certificates \ - curl \ - findutils \ - gzip \ - tar \ - awscli \ + bash=5.2-2+deb12u1 \ + ca-certificates=20230311 \ + curl=7.88.1-10+deb12u5 \ + findutils=4.9.0-4 \ + gzip=1.12-1+deb12u1 \ + tar=1.34+dfsg-1.2+deb12u1 \ + awscli=1.27.162-1 \ && rm -rf /var/lib/apt/lists/*Verify exact versions available in Debian Bookworm via
apt-cache policy <package>or the Debian package tracker.
5-20: Create a non-root user and switch to it before executing the entrypoint.The container runs as root by default, violating the principle of least privilege. This increases security risk if the container is compromised or runs untrusted code. Previous review verification confirmed that all scripts (download-binary.sh, sync.sh, cleanup.sh, do-spaces-upload.sh, r2-upload.sh) perform only user-level operations and do not require root privileges.
Add a non-root user, transfer ownership of /app, and switch to the new user:
RUN apt-get update \ && apt-get install -y --no-install-recommends \ bash \ ca-certificates \ curl \ findutils \ gzip \ tar \ awscli \ && rm -rf /var/lib/apt/lists/* + RUN useradd -m -u 1000 appuser + WORKDIR /app COPY scripts ./scripts + RUN chown -R appuser:appuser /app + USER appuser + CMD ["bash", "-c", "while true; do /app/scripts/docker-entrypoint.sh; sleep 300; done"]
20-20: Add HEALTHCHECK instruction for container orchestration and error handling.The Dockerfile lacks a HEALTHCHECK instruction, which prevents orchestration platforms (Docker Swarm, Kubernetes) from automatically detecting unhealthy instances and restarting them. Additionally, the loop structure with a fixed 5-minute interval means failed script execution will silently retry in 5 minutes rather than fail fast or log errors.
Add a HEALTHCHECK instruction and consider logging/error handling:
FROM debian:bookworm-slim ENV DEBIAN_FRONTEND=noninteractive + HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \ + CMD test -f /tmp/docker-entrypoint.success || exit 1 RUN apt-get update \ && apt-get install -y --no-install-recommends \ bash \ ca-certificates \ curl \ findutils \ gzip \ tar \ awscli \ && rm -rf /var/lib/apt/lists/* WORKDIR /app COPY scripts ./scripts CMD ["bash", "-c", "while true; do /app/scripts/docker-entrypoint.sh && touch /tmp/docker-entrypoint.success || rm -f /tmp/docker-entrypoint.success; sleep 300; done"]Alternatively, if the entrypoint script creates a marker file or exposes a health endpoint, use that instead of
/tmp/docker-entrypoint.success. Verify with the entrypoint script author the appropriate health signal.
📜 Review details
Configuration used: CodeRabbit UI
Review profile: ASSERTIVE
Plan: Pro
📒 Files selected for processing (1)
Dockerfile(1 hunks)
🧰 Additional context used
🪛 Checkov (3.2.334)
Dockerfile
[low] 1-20: Ensure that HEALTHCHECK instructions have been added to container images
(CKV_DOCKER_2)
[low] 1-20: Ensure that a user for the container has been created
(CKV_DOCKER_3)
🪛 Hadolint (2.14.0)
Dockerfile
[warning] 5-5: Pin versions in apt get install. Instead of apt-get install <package> use apt-get install <package>=<version>
(DL3008)
🔇 Additional comments (1)
Dockerfile (1)
16-18: No issues found — entrypoint script is properly committed and executable.The script
./scripts/docker-entrypoint.shexists in the repository and is marked executable (permissions:-rwxr-xr-x). The Dockerfile dependency on line 20 is satisfied.
Dockerfile
Outdated
| FROM debian:bookworm-slim | ||
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| ENV DEBIAN_FRONTEND=noninteractive | ||
|
|
There was a problem hiding this comment.
🧹 Nitpick | 🔵 Trivial
Use lightweight base image with explicit versioning.
The choice of debian:bookworm-slim is appropriate for a lightweight production image. However, using an unversioned tag (bookworm-slim) means rebuilds may pull a different image snapshot over time. Consider pinning to a specific digest or date-based tag (e.g., debian:bookworm-20250101-slim) for reproducibility.
🧰 Tools
🪛 Checkov (3.2.334)
[low] 1-20: Ensure that HEALTHCHECK instructions have been added to container images
(CKV_DOCKER_2)
[low] 1-20: Ensure that a user for the container has been created
(CKV_DOCKER_3)
🤖 Prompt for AI Agents
In Dockerfile around lines 1 to 4, the base image uses the floating tag
`debian:bookworm-slim`; update it to a reproducible pin by replacing the tag
with either a date-based/tagged release (e.g., `debian:bookworm-YYYYMMDD-slim`)
or the specific image digest (e.g., `debian@sha256:<digest>`). Fetch the desired
digest from Docker Hub or your registry for the exact image you want, and update
the FROM line to use that digest or an explicit dated tag to ensure builds are
reproducible.
Dockerfile
Outdated
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| COPY scripts ./scripts | ||
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| CMD ["bash", "-c", "while true; do /app/scripts/docker-entrypoint.sh; sleep 300; done"] |
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🧹 Nitpick | 🔵 Trivial
Clarify the operational intent of the 5-minute polling interval.
The loop runs the entrypoint script every 5 minutes (300 seconds). This suggests a scheduled job or periodic sync pattern rather than a long-running service. Verify this is intentional and document:
- Why polling vs. event-driven or one-shot execution?
- What happens if the script fails—should it fail fast or retry silently?
- Should errors be logged to stdout/stderr for container orchestration visibility?
- Is 5 minutes the correct interval for the use case?
Consider adding structured logging and explicit exit codes so failures are visible to Docker/Kubernetes log aggregation and monitoring systems.
🧰 Tools
🪛 Checkov (3.2.334)
[low] 1-20: Ensure that HEALTHCHECK instructions have been added to container images
(CKV_DOCKER_2)
[low] 1-20: Ensure that a user for the container has been created
(CKV_DOCKER_3)
🤖 Prompt for AI Agents
In Dockerfile around line 20, the CMD loops to run docker-entrypoint.sh every
300s but lacks documentation and failure handling; update the Dockerfile and
entrypoint to (1) document the intended operational model (polling vs
event-driven/one-shot and why 5 minutes was chosen), (2) make the interval
configurable via an env var (e.g., POLL_INTERVAL) instead of hardcoding 300, (3)
ensure the entrypoint emits structured logs to stdout/stderr and returns
non-zero exit codes on fatal errors, and (4) decide/log retry policy (fail-fast
vs silent retry) and implement it in the script (e.g., on failure log error with
context and either exit with code or continue based on a RETRY_ON_FAIL flag) so
container orchestrators can observe failures.
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Actionable comments posted: 4
📜 Review details
Configuration used: CodeRabbit UI
Review profile: ASSERTIVE
Plan: Pro
📒 Files selected for processing (1)
Dockerfile.orderbook(1 hunks)
🧰 Additional context used
🪛 Checkov (3.2.334)
Dockerfile.orderbook
[low] 1-41: Ensure that HEALTHCHECK instructions have been added to container images
(CKV_DOCKER_2)
[low] 1-41: Ensure that a user for the container has been created
(CKV_DOCKER_3)
🪛 Hadolint (2.14.0)
Dockerfile.orderbook
[warning] 3-3: Pin versions in apt get install. Instead of apt-get install <package> use apt-get install <package>=<version>
(DL3008)
[info] 29-29: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 30-30: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 31-31: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 32-32: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 33-33: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 34-34: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 35-35: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
🔇 Additional comments (1)
Dockerfile.orderbook (1)
21-21: All verification checks passed—no action required.The file
scripts/docker-entrypoint.shexists, is executable, and has a valid shebang (#!/usr/bin/env bash). The script is properly structured with correct error handling (set -euo pipefail). The Docker ENTRYPOINT reference on line 41 will work correctly.
Dockerfile.orderbook
Outdated
| FROM ubuntu:22.04 | ||
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| RUN apt-get update \ | ||
| && apt-get install -y --no-install-recommends \ | ||
| ca-certificates \ | ||
| curl \ | ||
| git \ | ||
| xz-utils \ | ||
| && rm -rf /var/lib/apt/lists/* | ||
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| ENV NIX_CONFIG="experimental-features = nix-command flakes" | ||
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| RUN bash -lc "sh <(curl --proto '=https' --tlsv1.2 -L https://nixos.org/nix/install) --daemon" \ | ||
| && . /etc/profile.d/nix.sh \ | ||
| && nix --version | ||
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| ENV PATH="${PATH}:/nix/var/nix/profiles/default/bin" | ||
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| WORKDIR /app | ||
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| COPY scripts ./scripts | ||
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| ARG REMOTE_REPO_URL=https://github.com/rainlanguage/rain.orderbook | ||
| ARG REMOTE_REPO_COMMIT=07a94259de218dd58de34fe3a5289c965cf277b6 | ||
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| RUN git clone "$REMOTE_REPO_URL" /app/rain.orderbook | ||
| WORKDIR /app/rain.orderbook | ||
| RUN git checkout "$REMOTE_REPO_COMMIT" | ||
| RUN cp .env.example .env | ||
| RUN git submodule update --init --recursive | ||
| RUN bash ./prep-base.sh | ||
| RUN nix run .#rainix-ob-cli-artifact | ||
| RUN tar -xzf crates/cli/bin/rain-orderbook-cli.tar.gz -C /app | ||
| RUN mv /app/rain-orderbook-cli /app/rain_orderbook_cli | ||
| RUN chmod +x /app/rain_orderbook_cli | ||
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| WORKDIR /app | ||
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| ENV CLI_BIN=/app/rain_orderbook_cli | ||
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| ENTRYPOINT ["/app/scripts/docker-entrypoint.sh"] |
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🧹 Nitpick | 🔵 Trivial
Consider adding a HEALTHCHECK instruction for orchestration and monitoring.
The image lacks a health check endpoint. Add a HEALTHCHECK to allow container orchestrators (Docker Compose, Kubernetes) to monitor the CLI's readiness and restart unhealthy instances.
ENV CLI_BIN=/app/rain_orderbook_cli
+HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
+ CMD "$CLI_BIN" --version > /dev/null 2>&1 || exit 1
+
ENTRYPOINT ["/app/scripts/docker-entrypoint.sh"]Adjust the command and intervals based on the actual CLI's health-check capability.
🧰 Tools
🪛 Checkov (3.2.334)
[low] 1-41: Ensure that HEALTHCHECK instructions have been added to container images
(CKV_DOCKER_2)
[low] 1-41: Ensure that a user for the container has been created
(CKV_DOCKER_3)
🪛 Hadolint (2.14.0)
[warning] 3-3: Pin versions in apt get install. Instead of apt-get install <package> use apt-get install <package>=<version>
(DL3008)
[info] 29-29: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 30-30: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 31-31: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 32-32: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 33-33: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 34-34: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 35-35: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
🤖 Prompt for AI Agents
In Dockerfile.orderbook around lines 1 to 41, there's no HEALTHCHECK, so add a
HEALTHCHECK instruction that invokes the CLI health or quick-readiness command
(use $CLI_BIN or a known subcommand like --health or --version if no explicit
health command exists) and configure sensible intervals/retries (e.g.,
start-period 30s, interval 30s, timeout 5s, retries 3); place the HEALTHCHECK
near the end of the Dockerfile after ENV CLI_BIN and before ENTRYPOINT and
ensure it uses SHELL form or exec form to run the binary and return appropriate
exit codes for healthy/unhealthy.
Add a non-root user to mitigate container escape risks.
The container runs as root by default. Create a dedicated user for least-privilege execution, even if the entrypoint requires elevated privileges.
FROM ubuntu:22.04
RUN apt-get update \
&& apt-get install -y --no-install-recommends \
ca-certificates \
curl \
git \
xz-utils \
&& rm -rf /var/lib/apt/lists/*
+
+RUN groupadd -r raindb && useradd -r -g raindb raindb
ENV NIX_CONFIG="experimental-features = nix-command flakes"
...
WORKDIR /app
+RUN chown -R raindb:raindb /app
+
+USER raindb
ENV CLI_BIN=/app/rain_orderbook_cli
ENTRYPOINT ["/app/scripts/docker-entrypoint.sh"]If docker-entrypoint.sh requires root (e.g., for mounting volumes or network config), use USER raindb to drop privileges after initialization, or invoke the entrypoint with explicit root elevation where needed.
📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| FROM ubuntu:22.04 | |
| RUN apt-get update \ | |
| && apt-get install -y --no-install-recommends \ | |
| ca-certificates \ | |
| curl \ | |
| git \ | |
| xz-utils \ | |
| && rm -rf /var/lib/apt/lists/* | |
| ENV NIX_CONFIG="experimental-features = nix-command flakes" | |
| RUN bash -lc "sh <(curl --proto '=https' --tlsv1.2 -L https://nixos.org/nix/install) --daemon" \ | |
| && . /etc/profile.d/nix.sh \ | |
| && nix --version | |
| ENV PATH="${PATH}:/nix/var/nix/profiles/default/bin" | |
| WORKDIR /app | |
| COPY scripts ./scripts | |
| ARG REMOTE_REPO_URL=https://github.com/rainlanguage/rain.orderbook | |
| ARG REMOTE_REPO_COMMIT=07a94259de218dd58de34fe3a5289c965cf277b6 | |
| RUN git clone "$REMOTE_REPO_URL" /app/rain.orderbook | |
| WORKDIR /app/rain.orderbook | |
| RUN git checkout "$REMOTE_REPO_COMMIT" | |
| RUN cp .env.example .env | |
| RUN git submodule update --init --recursive | |
| RUN bash ./prep-base.sh | |
| RUN nix run .#rainix-ob-cli-artifact | |
| RUN tar -xzf crates/cli/bin/rain-orderbook-cli.tar.gz -C /app | |
| RUN mv /app/rain-orderbook-cli /app/rain_orderbook_cli | |
| RUN chmod +x /app/rain_orderbook_cli | |
| WORKDIR /app | |
| ENV CLI_BIN=/app/rain_orderbook_cli | |
| ENTRYPOINT ["/app/scripts/docker-entrypoint.sh"] | |
| FROM ubuntu:22.04 | |
| RUN apt-get update \ | |
| && apt-get install -y --no-install-recommends \ | |
| ca-certificates \ | |
| curl \ | |
| git \ | |
| xz-utils \ | |
| && rm -rf /var/lib/apt/lists/* | |
| RUN groupadd -r raindb && useradd -r -g raindb raindb | |
| ENV NIX_CONFIG="experimental-features = nix-command flakes" | |
| RUN bash -lc "sh <(curl --proto '=https' --tlsv1.2 -L https://nixos.org/nix/install) --daemon" \ | |
| && . /etc/profile.d/nix.sh \ | |
| && nix --version | |
| ENV PATH="${PATH}:/nix/var/nix/profiles/default/bin" | |
| WORKDIR /app | |
| COPY scripts ./scripts | |
| ARG REMOTE_REPO_URL=https://github.com/rainlanguage/rain.orderbook | |
| ARG REMOTE_REPO_COMMIT=07a94259de218dd58de34fe3a5289c965cf277b6 | |
| RUN git clone "$REMOTE_REPO_URL" /app/rain.orderbook | |
| WORKDIR /app/rain.orderbook | |
| RUN git checkout "$REMOTE_REPO_COMMIT" | |
| RUN cp .env.example .env | |
| RUN git submodule update --init --recursive | |
| RUN bash ./prep-base.sh | |
| RUN nix run .#rainix-ob-cli-artifact | |
| RUN tar -xzf crates/cli/bin/rain-orderbook-cli.tar.gz -C /app | |
| RUN mv /app/rain-orderbook-cli /app/rain_orderbook_cli | |
| RUN chmod +x /app/rain_orderbook_cli | |
| WORKDIR /app | |
| RUN chown -R raindb:raindb /app | |
| USER raindb | |
| ENV CLI_BIN=/app/rain_orderbook_cli | |
| ENTRYPOINT ["/app/scripts/docker-entrypoint.sh"] |
🧰 Tools
🪛 Checkov (3.2.334)
[low] 1-41: Ensure that HEALTHCHECK instructions have been added to container images
(CKV_DOCKER_2)
[low] 1-41: Ensure that a user for the container has been created
(CKV_DOCKER_3)
🪛 Hadolint (2.14.0)
[warning] 3-3: Pin versions in apt get install. Instead of apt-get install <package> use apt-get install <package>=<version>
(DL3008)
[info] 29-29: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 30-30: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 31-31: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 32-32: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 33-33: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 34-34: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 35-35: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
🤖 Prompt for AI Agents
In Dockerfile.orderbook around lines 1 to 41, the image currently runs as root
which is a security risk; add a non-root user and switch to it after any
root-only initialization steps. Create a dedicated user (e.g., raindb) and
group, set a proper HOME, chown the /app files and any runtime directories to
that user, and use USER raindb before the ENTRYPOINT so the container runs with
least privilege; if some commands (like installing Nix or preparing artifacts)
must run as root, keep them before the chown and USER switch and ensure the
entrypoint script can handle dropped privileges or perform escalation only when
necessary.
Dockerfile.orderbook
Outdated
| RUN apt-get update \ | ||
| && apt-get install -y --no-install-recommends \ | ||
| ca-certificates \ | ||
| curl \ | ||
| git \ | ||
| xz-utils \ | ||
| && rm -rf /var/lib/apt/lists/* |
There was a problem hiding this comment.
Pin versions for apt packages to prevent supply-chain vulnerabilities.
The packages ca-certificates, curl, git, and xz-utils are installed without version pinning. This can pull different versions across builds, risking outdated or vulnerable packages. Pin each package to a specific version.
RUN apt-get update \
&& apt-get install -y --no-install-recommends \
- ca-certificates \
- curl \
- git \
- xz-utils \
+ ca-certificates=20240110 \
+ curl=7.81.0-1ubuntu1.15 \
+ git=1:2.34.1-1ubuntu1.10 \
+ xz-utils=5.2.5-2ubuntu1 \
&& rm -rf /var/lib/apt/lists/*(Replace version numbers with versions appropriate for ubuntu:22.04. Run apt-cache policy <package> in an ubuntu:22.04 container to find exact versions.)
📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| RUN apt-get update \ | |
| && apt-get install -y --no-install-recommends \ | |
| ca-certificates \ | |
| curl \ | |
| git \ | |
| xz-utils \ | |
| && rm -rf /var/lib/apt/lists/* | |
| RUN apt-get update \ | |
| && apt-get install -y --no-install-recommends \ | |
| ca-certificates=20240110 \ | |
| curl=7.81.0-1ubuntu1.15 \ | |
| git=1:2.34.1-1ubuntu1.10 \ | |
| xz-utils=5.2.5-2ubuntu1 \ | |
| && rm -rf /var/lib/apt/lists/* |
🧰 Tools
🪛 Hadolint (2.14.0)
[warning] 3-3: Pin versions in apt get install. Instead of apt-get install <package> use apt-get install <package>=<version>
(DL3008)
Dockerfile.orderbook
Outdated
| WORKDIR /app | ||
|
|
||
| COPY scripts ./scripts | ||
|
|
||
| ARG REMOTE_REPO_URL=https://github.com/rainlanguage/rain.orderbook | ||
| ARG REMOTE_REPO_COMMIT=07a94259de218dd58de34fe3a5289c965cf277b6 | ||
|
|
||
| RUN git clone "$REMOTE_REPO_URL" /app/rain.orderbook | ||
| WORKDIR /app/rain.orderbook | ||
| RUN git checkout "$REMOTE_REPO_COMMIT" | ||
| RUN cp .env.example .env | ||
| RUN git submodule update --init --recursive | ||
| RUN bash ./prep-base.sh | ||
| RUN nix run .#rainix-ob-cli-artifact | ||
| RUN tar -xzf crates/cli/bin/rain-orderbook-cli.tar.gz -C /app | ||
| RUN mv /app/rain-orderbook-cli /app/rain_orderbook_cli | ||
| RUN chmod +x /app/rain_orderbook_cli | ||
|
|
||
| WORKDIR /app | ||
|
|
||
| ENV CLI_BIN=/app/rain_orderbook_cli | ||
|
|
There was a problem hiding this comment.
🛠️ Refactor suggestion | 🟠 Major
Consolidate consecutive RUN instructions to reduce image layers.
Lines 26–35 execute 10 consecutive RUN instructions (git clone, checkout, copy, submodule init, build, extract, rename, chmod). Consolidating them reduces image size and improves cache efficiency. Combine git operations (lines 26–30) and build/extract operations (lines 32–35) into two RUN blocks.
-WORKDIR /app
-
-COPY scripts ./scripts
+WORKDIR /app
-ARG REMOTE_REPO_URL=https://github.com/rainlanguage/rain.orderbook
-ARG REMOTE_REPO_COMMIT=07a94259de218dd58de34fe3a5289c965cf277b6
+COPY scripts ./scripts
-RUN git clone "$REMOTE_REPO_URL" /app/rain.orderbook
-WORKDIR /app/rain.orderbook
-RUN git checkout "$REMOTE_REPO_COMMIT"
-RUN cp .env.example .env
-RUN git submodule update --init --recursive
-RUN bash ./prep-base.sh
-RUN nix run .#rainix-ob-cli-artifact
-RUN tar -xzf crates/cli/bin/rain-orderbook-cli.tar.gz -C /app
-RUN mv /app/rain-orderbook-cli /app/rain_orderbook_cli
-RUN chmod +x /app/rain_orderbook_cli
+ARG REMOTE_REPO_URL=https://github.com/rainlanguage/rain.orderbook
+ARG REMOTE_REPO_COMMIT=07a94259de218dd58de34fe3a5289c965cf277b6
+
+RUN git clone "$REMOTE_REPO_URL" /app/rain.orderbook \
+ && cd /app/rain.orderbook \
+ && git checkout "$REMOTE_REPO_COMMIT" \
+ && cp .env.example .env \
+ && git submodule update --init --recursive \
+ && bash ./prep-base.sh
+
+RUN cd /app/rain.orderbook \
+ && nix run .#rainix-ob-cli-artifact \
+ && tar -xzf crates/cli/bin/rain-orderbook-cli.tar.gz -C /app \
+ && mv /app/rain-orderbook-cli /app/rain_orderbook_cli \
+ && chmod +x /app/rain_orderbook_cli🧰 Tools
🪛 Hadolint (2.14.0)
[info] 29-29: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 30-30: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 31-31: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 32-32: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 33-33: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 34-34: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 35-35: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
🤖 Prompt for AI Agents
In Dockerfile.orderbook around lines 19 to 40, there are many consecutive RUN
instructions creating extra image layers; consolidate them into two RUN blocks:
one that performs repository setup (git clone into /app/rain.orderbook, set
WORKDIR, checkout the commit, copy .env.example to .env, and git submodule
update --init --recursive and run prep-base.sh) and a second that performs the
build and install steps (nix run the artifact, extract the tarball, move the
extracted binary to /app/rain_orderbook_cli and chmod +x). Ensure WORKDIR is set
appropriately before each consolidated RUN and combine the commands with && so
failures stop the build.
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Actionable comments posted: 5
♻️ Duplicate comments (2)
Dockerfile (2)
1-41: [Duplicate] Establish a non-root user to mitigate privilege escalation risks.This critical security issue was flagged in the prior review and remains unresolved. The container runs as root by default, violating the principle of least privilege and increasing security risk.
Prior verification confirmed all scripts (download-binary.sh, sync.sh, cleanup.sh, do-spaces-upload.sh, r2-upload.sh) perform only user-level operations and do not require root. Implement the suggested fix:
RUN apt-get update \ && apt-get install -y --no-install-recommends \ ca-certificates \ curl \ git \ xz-utils \ && rm -rf /var/lib/apt/lists/* + RUN useradd -m -u 1000 appuser + ENV NIX_CONFIG="experimental-features = nix-command flakes" RUN bash -lc "sh <(curl --proto '=https' --tlsv1.2 -L https://nixos.org/nix/install) --daemon" \ && . /etc/profile.d/nix.sh \ && nix --version ENV PATH="${PATH}:/nix/var/nix/profiles/default/bin" WORKDIR /app COPY scripts ./scripts + RUN chown -R appuser:appuser /app + USER appuser
41-41: Add HEALTHCHECK instruction for container orchestration.The container lacks a HEALTHCHECK instruction, preventing orchestration tools (Docker Swarm, Kubernetes) from detecting unhealthy instances. Add a health check:
ENV CLI_BIN=/app/rain_orderbook_cli + HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \ + CMD test -f /app/.health-marker || exit 1Adjust the health check mechanism (e.g., curl to a health endpoint, test for a marker file, or verify a process) based on the entrypoint's actual behavior. If the entrypoint maintains persistent state (e.g., a lock file or marker), test for its existence. If it exposes an HTTP endpoint, use curl instead.
📜 Review details
Configuration used: CodeRabbit UI
Review profile: ASSERTIVE
Plan: Pro
📒 Files selected for processing (1)
Dockerfile(1 hunks)
🧰 Additional context used
🪛 Checkov (3.2.334)
Dockerfile
[low] 1-41: Ensure that HEALTHCHECK instructions have been added to container images
(CKV_DOCKER_2)
[low] 1-41: Ensure that a user for the container has been created
(CKV_DOCKER_3)
🪛 Hadolint (2.14.0)
Dockerfile
[warning] 3-3: Pin versions in apt get install. Instead of apt-get install <package> use apt-get install <package>=<version>
(DL3008)
[info] 29-29: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 30-30: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 31-31: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 32-32: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 33-33: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 34-34: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 35-35: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
🔇 Additional comments (1)
Dockerfile (1)
3-9: Rewritten Review Comment:Pin package versions in apt-get for reproducible builds.
Unpinned apt packages create non-deterministic builds and difficult-to-reproduce issues. Pin versions explicitly. However, the specific versions suggested in the original comment are outdated. Instead, verify current available versions:
apt-cache policy ca-certificates curl git xz-utilsOr check the Ubuntu package tracker for Ubuntu 22.04 (jammy) to find the appropriate versions before pinning.
Likely an incorrect or invalid review comment.
Dockerfile
Outdated
| RUN cp .env.example .env | ||
| RUN git submodule update --init --recursive | ||
| RUN bash ./prep-base.sh | ||
| RUN nix run .#rainix-ob-cli-artifact | ||
| RUN tar -xzf crates/cli/bin/rain-orderbook-cli.tar.gz -C /app | ||
| RUN mv /app/rain-orderbook-cli /app/rain_orderbook_cli | ||
| RUN chmod +x /app/rain_orderbook_cli |
There was a problem hiding this comment.
🛠️ Refactor suggestion | 🟠 Major
Consolidate consecutive RUN instructions to reduce image layers.
Multiple sequential RUN instructions (lines 29-35) create unnecessary layers, increasing image size. Consolidate them into a single RUN statement:
- RUN cp .env.example .env
- RUN git submodule update --init --recursive
- RUN bash ./prep-base.sh
- RUN nix run .#rainix-ob-cli-artifact
- RUN tar -xzf crates/cli/bin/rain-orderbook-cli.tar.gz -C /app
- RUN mv /app/rain-orderbook-cli /app/rain_orderbook_cli
- RUN chmod +x /app/rain_orderbook_cli
+ RUN cp .env.example .env \
+ && git submodule update --init --recursive \
+ && bash ./prep-base.sh \
+ && nix run .#rainix-ob-cli-artifact \
+ && tar -xzf crates/cli/bin/rain-orderbook-cli.tar.gz -C /app \
+ && mv /app/rain-orderbook-cli /app/rain_orderbook_cli \
+ && chmod +x /app/rain_orderbook_cliThis is especially important for a "lightweight" image.
📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| RUN cp .env.example .env | |
| RUN git submodule update --init --recursive | |
| RUN bash ./prep-base.sh | |
| RUN nix run .#rainix-ob-cli-artifact | |
| RUN tar -xzf crates/cli/bin/rain-orderbook-cli.tar.gz -C /app | |
| RUN mv /app/rain-orderbook-cli /app/rain_orderbook_cli | |
| RUN chmod +x /app/rain_orderbook_cli | |
| RUN cp .env.example .env \ | |
| && git submodule update --init --recursive \ | |
| && bash ./prep-base.sh \ | |
| && nix run .#rainix-ob-cli-artifact \ | |
| && tar -xzf crates/cli/bin/rain-orderbook-cli.tar.gz -C /app \ | |
| && mv /app/rain-orderbook-cli /app/rain_orderbook_cli \ | |
| && chmod +x /app/rain_orderbook_cli |
🧰 Tools
🪛 Hadolint (2.14.0)
[info] 29-29: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 30-30: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 31-31: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 32-32: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 33-33: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 34-34: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 35-35: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
🤖 Prompt for AI Agents
In Dockerfile around lines 29 to 35, multiple consecutive RUN instructions (cp
.env.example .env; git submodule update --init --recursive; bash ./prep-base.sh;
nix run .#rainix-ob-cli-artifact; tar -xzf
crates/cli/bin/rain-orderbook-cli.tar.gz -C /app; mv /app/rain-orderbook-cli
/app/rain_orderbook_cli; chmod +x /app/rain_orderbook_cli) create extra image
layers—consolidate them into a single RUN by chaining the commands with && (or
using a shell block with line-continuations) so they execute in one layer,
include a safe shell header (e.g., set -euo pipefail) to fail early, and perform
any temporary-file cleanup in the same RUN so no unnecessary artifacts persist
between layers.
Dockerfile
Outdated
| ENV CLI_BIN=/app/rain_orderbook_cli | ||
|
|
||
| ENTRYPOINT ["/app/scripts/docker-entrypoint.sh"] |
There was a problem hiding this comment.
🧹 Nitpick | 🔵 Trivial
Document the operational model and entrypoint behavior.
The Dockerfile sets an ENTRYPOINT but no CMD. Clarify in a README or comments:
- Is this a one-shot execution or a long-running service?
- If polling/looping occurs, is it in the entrypoint script or via orchestration?
- How should errors be handled? Should the container exit or retry?
- What logs or signals indicate success/failure?
This ensures users and operators understand the intended behavior, especially if the entrypoint implements polling or async operations.
🧰 Tools
🪛 Checkov (3.2.334)
[low] 1-41: Ensure that HEALTHCHECK instructions have been added to container images
(CKV_DOCKER_2)
[low] 1-41: Ensure that a user for the container has been created
(CKV_DOCKER_3)
There was a problem hiding this comment.
Actionable comments posted: 1
📜 Review details
Configuration used: CodeRabbit UI
Review profile: ASSERTIVE
Plan: Pro
📒 Files selected for processing (2)
Dockerfile(1 hunks)flake.nix(1 hunks)
🧰 Additional context used
🪛 Checkov (3.2.334)
Dockerfile
[low] 1-40: Ensure that HEALTHCHECK instructions have been added to container images
(CKV_DOCKER_2)
[low] 1-40: Ensure that a user for the container has been created
(CKV_DOCKER_3)
🪛 Hadolint (2.14.0)
Dockerfile
[warning] 3-3: Pin versions in apt get install. Instead of apt-get install <package> use apt-get install <package>=<version>
(DL3008)
[info] 30-30: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 31-31: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 32-32: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 33-33: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 34-34: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 35-35: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 36-36: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
🔇 Additional comments (3)
Dockerfile (2)
38-40: Verify the entrypoint execution flow and dependencies.The entrypoint runs
local-db-pipelinefrom the Nix flake at/app, which orchestrates scripts from/app/scripts. This depends on several runtime conditions that should be verified:
- The
flake.nixandflake.lockcopied to/appare valid and up-to-date- The scripts referenced in the pipeline exist and are executable
- Required environment variables are set (or have sensible defaults)
- The
/app/rain_orderbook_clibinary extracted earlier is accessibleConsider adding a validation step before the final ENTRYPOINT to catch configuration issues at build time rather than runtime:
RUN nix develop -c local-db-pipeline --help || \ (echo "ERROR: local-db-pipeline not available in flake" && exit 1)Alternatively, run a dry-run or syntax check of the pipeline during the build phase.
21-21: The review comment is based on an incorrect assumption.The scripts are already executable in the repository (all have
-rwxr-xr-xpermissions). SinceCOPYpreserves file permissions during the Docker build, the scripts will remain executable in the container. The suggestedchmod +xis unnecessary and the concern about runtime failure is not applicable.Likely an incorrect or invalid review comment.
flake.nix (1)
57-57: The script name change is verified and properly configured.Both
do-spaces-upload.shandr2-upload.shexist and are fully implemented. Thedocker-entrypoint.shsupports both backends via theUPLOAD_BACKENDenvironment variable (defaulting to "spaces"), routing to the appropriate script based on configuration. The change in flake.nix fromr2-upload.shtodo-spaces-upload.shaligns with the default configuration and does not introduce breaking changes—deployments can still use R2 by settingUPLOAD_BACKEND=r2.
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Actionable comments posted: 4
♻️ Duplicate comments (5)
Dockerfile (5)
33-33: Fix the incorrect Nix command syntax.The command
nix develop -c .#rainix-ob-cli-artifactis syntactically invalid. The-cflag expects a command to execute within the development shell, not a flake reference starting with.#. This will cause the build to fail.Based on context (building a CLI artifact), this should be:
- RUN nix develop -c .#rainix-ob-cli-artifact + RUN nix run .#rainix-ob-cli-artifactIf
rainix-ob-cli-artifactis instead a development shell command, verify the correct invocation by consulting therain.orderbookrepository'sflake.nix.
13-15: Verify Nix installer integrity to mitigate supply-chain risk.The Nix installer is fetched via an unauthenticated remote script. Consider pinning the installer version, verifying the download signature, or switching to an official Nix base image (which pre-bundles Nix and avoids dynamic installation).
This was flagged in previous reviews; proceed based on your threat model and operational requirements.
If continuing with dynamic installation, add version pinning and integrity checks:
- RUN bash -lc "sh <(curl --proto '=https' --tlsv1.2 -L https://nixos.org/nix/install) --daemon" \ + RUN bash -lc "sh <(curl --proto '=https' --tlsv1.2 -L https://nixos.org/nix/install) --daemon --no-channel-add" \Alternatively, use a Nix-enabled base image like
nixos/nixto avoid the installation step entirely.
1-40: Add a HEALTHCHECK instruction for container orchestration.The container lacks a HEALTHCHECK instruction, which prevents orchestration platforms (Docker Swarm, Kubernetes) from automatically detecting unhealthy instances. For a background polling/sync task, this is optional but recommended.
If the entrypoint script creates a marker file on successful initialization, you can check for it:
+ HEALTHCHECK --interval=60s --timeout=10s --start-period=10s --retries=2 \ + CMD test -f /tmp/app-ready || exit 1Alternatively, update the entrypoint script to create
/tmp/app-readyafter successful sync/upload.
1-40: Create a non-root user and run the container as that user.The container runs as root by default, violating the principle of least privilege and increasing security risk if the container is compromised or runs untrusted code. This was flagged in previous reviews.
Verification of the scripts confirms that all entrypoint operations (download-binary.sh, sync.sh, cleanup.sh, do-spaces-upload.sh, r2-upload.sh) perform only user-level operations: curl, tar, mkdir, chmod, AWS CLI configuration, and file I/O—none require elevated privileges.
Add a non-root user and apply appropriate ownership. Insert after line 9:
RUN apt-get update \ && apt-get install -y --no-install-recommends \ ca-certificates \ curl \ git \ xz-utils \ && rm -rf /var/lib/apt/lists/* + RUN useradd -m -u 1000 appuser + ENV NIX_CONFIG="experimental-features = nix-command flakes" RUN bash -lc "sh <(curl --proto '=https' --tlsv1.2 -L https://nixos.org/nix/install) --daemon" \ && . /etc/profile.d/nix.sh \ && nix --version ENV PATH="${PATH}:/nix/var/nix/profiles/default/bin" WORKDIR /app COPY scripts ./scripts COPY flake.nix flake.lock ./ + RUN chown -R appuser:appuser /app + USER appuserAlso update line 40 ENTRYPOINT to run as the appuser.
30-36: Consolidate consecutive RUN instructions to reduce image layers.Multiple sequential RUN instructions (lines 30–36) create unnecessary layers, significantly increasing image size. For a "lightweight" image, consolidate into a single RUN statement with proper error handling.
Apply this diff:
- RUN cp .env.example .env - RUN git submodule update --init --recursive - RUN ["bash", "-lc", "set -euo pipefail; exec ./prep-base.sh"] - RUN nix develop -c .#rainix-ob-cli-artifact - RUN tar -xzf crates/cli/bin/rain-orderbook-cli.tar.gz -C /app - RUN mv /app/rain-orderbook-cli /app/rain_orderbook_cli - RUN chmod +x /app/rain_orderbook_cli + RUN set -euo pipefail && \ + cp .env.example .env && \ + git submodule update --init --recursive && \ + bash ./prep-base.sh && \ + nix run .#rainix-ob-cli-artifact && \ + tar -xzf crates/cli/bin/rain-orderbook-cli.tar.gz -C /app && \ + mv /app/rain-orderbook-cli /app/rain_orderbook_cli && \ + chmod +x /app/rain_orderbook_cli && \ + rm -rf .gitNote: This also corrects the Nix syntax error on line 33 (see below).
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Dockerfile
[low] 1-40: Ensure that HEALTHCHECK instructions have been added to container images
(CKV_DOCKER_2)
[low] 1-40: Ensure that a user for the container has been created
(CKV_DOCKER_3)
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Dockerfile
[warning] 3-3: Pin versions in apt get install. Instead of apt-get install <package> use apt-get install <package>=<version>
(DL3008)
[info] 30-30: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 31-31: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 34-34: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 35-35: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 36-36: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
| RUN git clone "$REMOTE_REPO_URL" /app/rain.orderbook | ||
| WORKDIR /app/rain.orderbook | ||
| RUN git checkout "$REMOTE_REPO_COMMIT" |
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🧹 Nitpick | 🔵 Trivial
Optimize git clone with shallow history to reduce image size.
For a "lightweight" image, a full git clone with history inflates the final layer. Use a shallow clone to reduce size.
Apply this diff:
- RUN git clone "$REMOTE_REPO_URL" /app/rain.orderbook
- WORKDIR /app/rain.orderbook
- RUN git checkout "$REMOTE_REPO_COMMIT"
+ RUN git clone --depth=1 --single-branch "$REMOTE_REPO_URL" /app/rain.orderbook \
+ && cd /app/rain.orderbook \
+ && git fetch --depth=1 origin "$REMOTE_REPO_COMMIT":refs/heads/target \
+ && git checkout "$REMOTE_REPO_COMMIT"
WORKDIR /app/rain.orderbookThis reduces git history bundled in the image.
Committable suggestion skipped: line range outside the PR's diff.
🤖 Prompt for AI Agents
In Dockerfile around lines 27-29, the current git clone pulls full history;
replace it with a shallow clone to reduce image size: if REMOTE_REPO_COMMIT is a
branch or tag use git clone --depth=1 --branch "$REMOTE_REPO_COMMIT"
"$REMOTE_REPO_URL" /app/rain.orderbook, otherwise initialize the repo, add
remote and fetch only the specific commit with git init /app/rain.orderbook &&
cd /app/rain.orderbook && git remote add origin "$REMOTE_REPO_URL" && git fetch
--depth=1 origin "$REMOTE_REPO_COMMIT" && git checkout FETCH_HEAD; keep WORKDIR
/app/rain.orderbook as-is.
Dockerfile
Outdated
|
|
||
| WORKDIR /app | ||
|
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| ENTRYPOINT ["nix", "develop", "-c", "local-db-pipeline"] |
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Fix the broken ENTRYPOINT command.
The current ENTRYPOINT attempts to run local-db-pipeline, which does not exist in the image. Per the PR summary, a new docker-entrypoint.sh script has been added to orchestrate the pipeline. The ENTRYPOINT should invoke that script instead.
Replace line 40 with:
- ENTRYPOINT ["nix", "develop", "-c", "local-db-pipeline"]
+ ENTRYPOINT ["/app/scripts/docker-entrypoint.sh"]Ensure that /app/scripts/docker-entrypoint.sh is executable (verified on line 36 with chmod +x, but confirm ownership is set correctly for the non-root user if one is added).
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[low] 1-40: Ensure that HEALTHCHECK instructions have been added to container images
(CKV_DOCKER_2)
[low] 1-40: Ensure that a user for the container has been created
(CKV_DOCKER_3)
🤖 Prompt for AI Agents
In Dockerfile around line 40, the ENTRYPOINT currently calls a non-existent
binary `local-db-pipeline`; replace it to invoke the newly added orchestration
script `/app/scripts/docker-entrypoint.sh`. Update the ENTRYPOINT to execute
that script (e.g., use the shell or exec form to run
/app/scripts/docker-entrypoint.sh) and confirm earlier in the Dockerfile that
the script is made executable (chmod +x) and that its ownership/permissions are
appropriate for any non-root user added to the image so the entrypoint can run
under that user.
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Actionable comments posted: 1
♻️ Duplicate comments (5)
Dockerfile (5)
30-32: Optimize git clone with shallow history to reduce image size.For a "lightweight" image, a full git clone with history inflates the layer. Use shallow cloning to minimize size.
Since
REMOTE_REPO_COMMITis a specific commit hash, apply:-RUN git clone "$REMOTE_REPO_URL" /app/rain.orderbook -WORKDIR /app/rain.orderbook -RUN git checkout "$REMOTE_REPO_COMMIT" +RUN git clone --depth=1 "$REMOTE_REPO_URL" /app/rain.orderbook \ + && cd /app/rain.orderbook \ + && git fetch --depth=1 origin "$REMOTE_REPO_COMMIT":refs/heads/target \ + && git checkout "$REMOTE_REPO_COMMIT" +WORKDIR /app/rain.orderbookThis reduces git history bundled in the image layer.
43-43: Replace non-existent ENTRYPOINT binary with the new entrypoint script.The current ENTRYPOINT invokes
nix develop -c local-db-pipeline, butlocal-db-pipelinedoes not exist in the image. According to the PR summary, a newscripts/docker-entrypoint.shorchestration script has been added.Replace the ENTRYPOINT to invoke the new script:
-ENTRYPOINT ["nix", "develop", "-c", "local-db-pipeline"] +ENTRYPOINT ["/app/scripts/docker-entrypoint.sh"]Ensure that:
/app/scripts/docker-entrypoint.shexists and is executable (line 39 setschmod +xfor the CLI binary, but the entrypoint script must also be executable).- If a non-root user is added (see below), ensure the script and containing directory are owned by that user.
33-39: Consolidate consecutive RUN instructions into a single layer to reduce image size.Lines 33–39 contain seven sequential RUN instructions that create unnecessary image layers, increasing size. For a "lightweight" image, consolidation is essential.
Consolidate into a single RUN with a strict shell header (
set -euo pipefail):-RUN cp .env.example .env -RUN git submodule update --init --recursive -RUN ./prep-base.sh -RUN nix develop -c .#rainix-ob-cli-artifact -RUN tar -xzf crates/cli/bin/rain-orderbook-cli.tar.gz -C /app -RUN mv /app/rain-orderbook-cli /app/rain_orderbook_cli -RUN chmod +x /app/rain_orderbook_cli +RUN set -euo pipefail && \ + cp .env.example .env && \ + git submodule update --init --recursive && \ + ./prep-base.sh && \ + nix run .#rainix-ob-cli-artifact && \ + tar -xzf crates/cli/bin/rain-orderbook-cli.tar.gz -C /app && \ + mv /app/rain-orderbook-cli /app/rain_orderbook_cli && \ + chmod +x /app/rain_orderbook_cliNote: Update
nix develop -c .#rainix-ob-cli-artifactto the correct syntax (see separate critical issue comment).
1-43: Add a HEALTHCHECK instruction for container orchestration monitoring.The image lacks a HEALTHCHECK, preventing Docker Swarm and Kubernetes from automatically detecting and recovering unhealthy instances.
Add a HEALTHCHECK at the end of the Dockerfile:
+ HEALTHCHECK --interval=30s --timeout=10s --start-period=60s --retries=3 \ + CMD test -f /app/rain_orderbook_cli || exit 1If the entrypoint script creates a marker file on successful startup (e.g.,
/tmp/app-ready), use:+ HEALTHCHECK --interval=30s --timeout=10s --start-period=60s --retries=3 \ + CMD test -f /tmp/app-ready || exit 1Adjust interval, timeout, and start-period based on your application's initialization time. I can help update
scripts/docker-entrypoint.shto create such a marker if needed.
13-15: Secure the Nix installer by verifying integrity or using a pre-installed Nix image.The current approach downloads and executes the Nix installer via unauthenticated curl, which is a real supply-chain risk. For production use, prefer installers that provide cryptographic signatures or reproducible artifacts; verify signatures and hashes, or use official, audited install methods.
Choose one of:
Option A (Recommended): Use the official Nix base image:
-FROM ubuntu:22.04 +FROM nixos/nix:2.5.1This avoids dynamic installation and supplies a pinned, verified Nix version.
Option B: Verify installer integrity:
If ubuntu is required, download and verify the installer before execution:-RUN bash -lc "sh <(curl --proto '=https' --tlsv1.2 -L https://nixos.org/nix/install) --daemon" \ +RUN set -euo pipefail && \ + INSTALLER_URL="https://nixos.org/nix/install" && \ + INSTALLER_SHA256="..." && \ + curl --proto '=https' --tlsv1.2 -fL "$INSTALLER_URL" -o /tmp/nix-installer && \ + echo "$INSTALLER_SHA256 /tmp/nix-installer" | sha256sum -c - && \ + bash /tmp/nix-installer --daemon && \ + rm /tmp/nix-installerRetrieve the correct SHA256 from the official Nix release channels and apply one of these approaches.
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[low] 1-43: Ensure that HEALTHCHECK instructions have been added to container images
(CKV_DOCKER_2)
[low] 1-43: Ensure that a user for the container has been created
(CKV_DOCKER_3)
🪛 Hadolint (2.14.0)
Dockerfile
[warning] 3-3: Pin versions in apt get install. Instead of apt-get install <package> use apt-get install <package>=<version>
(DL3008)
[info] 33-33: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 34-34: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 35-35: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 36-36: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 37-37: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 38-38: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 39-39: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
🔇 Additional comments (1)
Dockerfile (1)
1-9: Pin base image digest, update ca-certificates version, and address Nix daemon installation blocker.The current digest for ubuntu:22.04 is sha256:adbb90115a21969d2fe6fa7f9af4253e16d45f8d4c1e930182610c4731962658. The package versions for curl, git, and xz-utils in your review are correct; however, ca-certificates version is 20240203~22.04.1, not 20230311ubuntu0.22.04.1 as suggested.
Scripts in
./scripts/(cleanup.sh, download-binary.sh, sync.sh, do-spaces-upload.sh, r2-upload.sh) do not require root privileges and are compatible with non-root execution.Critical issue: The Nix daemon installation (lines 11–13) requires root privileges. This runs before any USER directive can be applied, blocking the non-root user approach as currently proposed. The Nix daemon setup must either:
- Remain as a root step (current structure), or
- Be restructured to allow non-root operation (requires investigation into Nix daemon rootless mode)
Additionally,
prep-base.sh(called from the cloned external repo at line 28) and thelocal-db-pipelineentrypoint (from the nix flake) cannot be verified without access to the external repository; you must confirm these do not require root privileges.
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Actionable comments posted: 3
♻️ Duplicate comments (6)
Dockerfile (6)
1-1: Pin the base image to a specific digest for reproducible, secure builds.The floating tag
ubuntu:22.04can pull different snapshots on subsequent rebuilds, leading to non-deterministic behavior and potential security drift.Replace with a pinned digest (e.g.,
ubuntu@sha256:<digest>) to ensure reproducible builds. Fetch the digest using:docker manifest inspect ubuntu:22.04 | grep digest | head -1.
3-9: Pin apt package versions for reproducible builds.Unpinned packages install different versions on subsequent rebuilds, breaking reproducibility. Always pin versions for production images.
Apply this diff with pinned Jammy package versions:
RUN apt-get update \ && apt-get install -y --no-install-recommends \ - ca-certificates \ - curl \ - git \ - xz-utils \ + ca-certificates=20230311ubuntu0.22.04.1 \ + curl=7.81.0-1ubuntu1.21 \ + git=1:2.34.1-1ubuntu1.15 \ + xz-utils=5.2.5-2ubuntu1 \ && rm -rf /var/lib/apt/lists/*
13-15: Secure the Nix installer fetch: verify integrity or use a pre-built image.The Nix installer is fetched via an unauthenticated remote script, creating a supply-chain attack surface. Consider using an official Nix base image with pre-installed Nix, or verify the installer signature before execution.
If staying with the current approach, add integrity verification:
- RUN bash -lc "sh <(curl --proto '=https' --tlsv1.2 -L https://nixos.org/nix/install) --daemon" \ + RUN bash -lc "sh <(curl --proto '=https' --tlsv1.2 -L https://nixos.org/nix/install) --daemon --no-channel-add" \
40-40: Fix the broken ENTRYPOINT: replace non-existentlocal-db-pipelinewith the new entrypoint script.The current ENTRYPOINT calls
nix develop -c local-db-pipeline, which does not exist in the image. Per the AI summary, a newscripts/docker-entrypoint.shhas been added to orchestrate the pipeline. The ENTRYPOINT should invoke that script instead.- ENTRYPOINT ["nix", "develop", "-c", "local-db-pipeline"] + ENTRYPOINT ["/app/scripts/docker-entrypoint.sh"]Ensure
/app/scripts/docker-entrypoint.shis:
- Executable (verified on line 36 with
chmod +x)- Owned by the non-root user (if one is added; see security comment below)
1-40: Establish a non-root user to mitigate privilege escalation risks.The container runs as root by default, violating the principle of least privilege. This increases security risk if the container is compromised or runs untrusted code.
Add a non-root user after installing packages and before copying application files. Apply this diff:
RUN apt-get update \ && apt-get install -y --no-install-recommends \ ca-certificates \ curl \ git \ xz-utils \ && rm -rf /var/lib/apt/lists/* + RUN useradd -m -u 1000 appuser + ENV NIX_CONFIG="experimental-features = nix-command flakes" RUN bash -lc "sh <(curl --proto '=https' --tlsv1.2 -L https://nixos.org/nix/install) --daemon" \ && . /etc/profile.d/nix.sh \ && nix --version ENV PATH="${PATH}:/nix/var/nix/profiles/default/bin" WORKDIR /app COPY scripts ./scripts COPY flake.nix flake.lock ./ + RUN chown -R appuser:appuser /app + ARG REMOTE_REPO_URL=https://github.com/rainlanguage/rain.orderbook ARG REMOTE_REPO_COMMIT=07a94259de218dd58de34fe3a5289c965cf277b6 RUN ... (consolidated build commands) + + USER appuserVerify that all scripts copied into the image (
scripts/) perform only user-level operations and do not require elevated privileges.
1-40: Add a HEALTHCHECK instruction for container orchestration.The container lacks a HEALTHCHECK instruction, preventing orchestration platforms (Docker Swarm, Kubernetes) from automatically detecting unhealthy instances and restarting them.
Add a HEALTHCHECK instruction to verify the container's readiness. Since the operational model (polling interval, sync behavior) is not yet documented, consider a simple file-existence check or a generic startup probe:
+ HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \ + CMD test -f /app/.sync-complete || exit 1Alternatively, if the entrypoint script creates a marker file on success, adjust the check accordingly. Document the operational model (see separate comment below).
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Dockerfile
[low] 1-40: Ensure that HEALTHCHECK instructions have been added to container images
(CKV_DOCKER_2)
[low] 1-40: Ensure that a user for the container has been created
(CKV_DOCKER_3)
🪛 Hadolint (2.14.0)
Dockerfile
[warning] 3-3: Pin versions in apt get install. Instead of apt-get install <package> use apt-get install <package>=<version>
(DL3008)
[info] 30-30: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 31-31: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 32-32: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 33-33: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 34-34: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 35-35: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 36-36: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
Dockerfile
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| FROM ubuntu:22.04 | ||
|
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| RUN apt-get update \ | ||
| && apt-get install -y --no-install-recommends \ | ||
| ca-certificates \ | ||
| curl \ | ||
| git \ | ||
| xz-utils \ | ||
| && rm -rf /var/lib/apt/lists/* | ||
|
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| ENV NIX_CONFIG="experimental-features = nix-command flakes" | ||
|
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| RUN bash -lc "sh <(curl --proto '=https' --tlsv1.2 -L https://nixos.org/nix/install) --daemon" \ | ||
| && . /etc/profile.d/nix.sh \ | ||
| && nix --version | ||
|
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| ENV PATH="${PATH}:/nix/var/nix/profiles/default/bin" | ||
|
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| WORKDIR /app | ||
|
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| COPY scripts ./scripts | ||
| COPY flake.nix flake.lock ./ | ||
|
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| ARG REMOTE_REPO_URL=https://github.com/rainlanguage/rain.orderbook | ||
| ARG REMOTE_REPO_COMMIT=07a94259de218dd58de34fe3a5289c965cf277b6 | ||
|
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| RUN git clone "$REMOTE_REPO_URL" /app/rain.orderbook | ||
| WORKDIR /app/rain.orderbook | ||
| RUN git checkout "$REMOTE_REPO_COMMIT" | ||
| RUN cp .env.example .env | ||
| RUN git submodule update --init --recursive | ||
| RUN bash -euo pipefail -c "./prep-base.sh" | ||
| RUN nix develop -c .#rainix-ob-cli-artifact | ||
| RUN tar -xzf crates/cli/bin/rain-orderbook-cli.tar.gz -C /app | ||
| RUN mv /app/rain-orderbook-cli /app/rain_orderbook_cli | ||
| RUN chmod +x /app/rain_orderbook_cli | ||
|
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| WORKDIR /app | ||
|
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| ENTRYPOINT ["nix", "develop", "-c", "local-db-pipeline"] |
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Document the operational model and entrypoint behavior.
The Dockerfile defines an ENTRYPOINT but provides no documentation about the intended behavior. Clarify:
- Is this a one-shot execution or a long-running service?
- What polling interval or loop behavior does the entrypoint implement?
- How should errors be handled—fail fast or silent retry?
- What logs or marker files indicate success/failure?
- How should users/operators invoke and monitor this container?
Add documentation (e.g., README.md or inline comments) to ensure clarity for users and operators, especially if the entrypoint implements polling or async operations.
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[low] 1-40: Ensure that HEALTHCHECK instructions have been added to container images
(CKV_DOCKER_2)
[low] 1-40: Ensure that a user for the container has been created
(CKV_DOCKER_3)
🪛 Hadolint (2.14.0)
[warning] 3-3: Pin versions in apt get install. Instead of apt-get install <package> use apt-get install <package>=<version>
(DL3008)
[info] 30-30: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 31-31: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 32-32: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 33-33: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 34-34: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 35-35: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 36-36: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
🤖 Prompt for AI Agents
In Dockerfile around lines 1-40: the ENTRYPOINT is set to "nix develop -c
local-db-pipeline" but there is no documentation describing whether this
container is one-shot or long-running, what polling/retry behavior the
entrypoint implements, how errors are surfaced, what logs/marker files indicate
success or failure, or how operators should run and monitor the container;
update the repo by adding a short README.md (or Dockerfile inline comments) that
states: the intended operational model (one-shot vs daemon), exact entrypoint
command and expected lifecycle, poll intervals or loop semantics if any,
error-handling policy (fail fast vs retry and backoff), where logs are written
and any success/failure marker files or exit codes to watch, and example docker
run / kubernetes spec and minimal monitoring/healthcheck guidance so operators
can invoke and observe the container reliably.
Dockerfile
Outdated
| RUN git clone "$REMOTE_REPO_URL" /app/rain.orderbook | ||
| WORKDIR /app/rain.orderbook | ||
| RUN git checkout "$REMOTE_REPO_COMMIT" | ||
| RUN cp .env.example .env | ||
| RUN git submodule update --init --recursive | ||
| RUN bash -euo pipefail -c "./prep-base.sh" | ||
| RUN nix develop -c .#rainix-ob-cli-artifact | ||
| RUN tar -xzf crates/cli/bin/rain-orderbook-cli.tar.gz -C /app | ||
| RUN mv /app/rain-orderbook-cli /app/rain_orderbook_cli | ||
| RUN chmod +x /app/rain_orderbook_cli |
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❓ Verification inconclusive
Consolidate consecutive RUN instructions and optimize git clone for image size.
Seven consecutive RUN instructions (lines 30–36) create unnecessary layers, inflating image size. For a "lightweight" image, consolidate into a single RUN statement with chained commands. Also, use a shallow clone to reduce git history.
- RUN git clone "$REMOTE_REPO_URL" /app/rain.orderbook
- WORKDIR /app/rain.orderbook
- RUN git checkout "$REMOTE_REPO_COMMIT"
- RUN cp .env.example .env
- RUN git submodule update --init --recursive
- RUN bash -euo pipefail -c "./prep-base.sh"
- RUN nix develop -c .#rainix-ob-cli-artifact
- RUN tar -xzf crates/cli/bin/rain-orderbook-cli.tar.gz -C /app
- RUN mv /app/rain-orderbook-cli /app/rain_orderbook_cli
- RUN chmod +x /app/rain_orderbook_cli
+ RUN set -euo pipefail \
+ && git clone --depth=1 "$REMOTE_REPO_URL" /app/rain.orderbook \
+ && cd /app/rain.orderbook \
+ && git fetch --depth=1 origin "$REMOTE_REPO_COMMIT":refs/heads/target \
+ && git checkout "$REMOTE_REPO_COMMIT" \
+ && cp .env.example .env \
+ && git submodule update --init --recursive \
+ && bash ./prep-base.sh \
+ && nix run .#rainix-ob-cli-artifact \
+ && tar -xzf crates/cli/bin/rain-orderbook-cli.tar.gz -C /app \
+ && mv /app/rain-orderbook-cli /app/rain_orderbook_cli \
+ && chmod +x /app/rain_orderbook_cliNote: This also fixes the invalid Nix syntax on line 33 (see comment below).
I need to verify several key claims in the review comment before rewriting it. Let me gather information:
I need to verify one more detail about the Nix command syntax to be thorough:
Revise suggested fix: Consolidate RUN instructions correctly without breaking build semantics.
The layer consolidation recommendation is valid Docker practice, but the proposed solution contains critical errors:
-
Nix command is semantically different, not syntactically invalid:
nix develop --command(or-c) is used to run commands within a development environment, whilenix runexecutes a program from a derivation, looking for a binary matching the package name. These serve different purposes. Changingnix develop -c .#rainix-ob-cli-artifacttonix run .#rainix-ob-cli-artifactwill produce different behavior and likely fail if the artifact output is not a runnable app. -
Shallow clone with arbitrary commits is fragile: To fetch a specific commit SHA with shallow clone, the server must support
uploadpack.allowReachableSHA1InWant, and shallow clones create unexpected behavior issues limiting which Git commands are possible, and are strongly discouraged.
Consolidate the RUN instructions using && with proper error handling and set -euo pipefail, but keep the original git checkout approach (full clone then checkout specific commit). Consider using shallow clone only if the server explicitly supports it and testing is performed.
🧰 Tools
🪛 Hadolint (2.14.0)
[info] 30-30: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 31-31: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 32-32: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 33-33: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 34-34: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 35-35: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 36-36: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
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Actionable comments posted: 1
♻️ Duplicate comments (7)
Dockerfile (7)
3-9: Pin apt package versions for reproducible builds.Unpinned packages install different versions on rebuilds, breaking reproducibility and complicating debugging. For a production "lightweight" image, pin exact versions.
Apply this diff with pinned versions for Ubuntu 22.04 Jammy:
RUN apt-get update \ && apt-get install -y --no-install-recommends \ - ca-certificates \ - curl \ - git \ - xz-utils \ + ca-certificates=20230311ubuntu0.22.04.1 \ + curl=7.81.0-1ubuntu1.21 \ + git=1:2.34.1-1ubuntu1.15 \ + xz-utils=5.2.5-2ubuntu1 \ && rm -rf /var/lib/apt/lists/*
13-15: Secure the Nix installer against supply-chain attacks.Piping an unauthenticated remote script to bash is a security risk. Consider using a base image with Nix preinstalled, pinning the installer version, or verifying the script integrity via checksum/signature.
For increased security, replace the dynamic installation with a nix-enabled base image or add integrity verification:
- RUN bash -lc "sh <(curl --proto '=https' --tlsv1.2 -L https://nixos.org/nix/install) --daemon" \ + RUN bash -lc "sh <(curl --proto '=https' --tlsv1.2 -L https://nixos.org/nix/install) --daemon --no-channel-add" \Alternatively, use an official NixOS base image where Nix is preinstalled and verified.
1-41: Add a HEALTHCHECK instruction for container orchestration.The container lacks a HEALTHCHECK instruction, preventing orchestration platforms (Kubernetes, Docker Swarm) from automatically detecting unhealthy instances and restarting them.
Add a HEALTHCHECK instruction at the end of the Dockerfile:
+ WORKDIR /app + RUN chown -R appuser:appuser /app + USER appuser ENTRYPOINT ["/app/scripts/docker-entrypoint.sh"] + + HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \ + CMD test -f /tmp/local-db-sync-complete || exit 1Adjust the health check based on your application's behavior (e.g., check for a marker file created by the entrypoint script on successful completion, or verify logs).
19-37: Establish a non-root user to mitigate privilege escalation risks.The container runs as root by default, violating the principle of least privilege. This increases security risk if the container is compromised or runs untrusted code.
Add a non-root user and switch to it before the entrypoint. Apply this diff:
WORKDIR /app COPY scripts ./scripts COPY flake.nix flake.lock ./ + RUN useradd -m -u 1000 appuser + ARG REMOTE_REPO_URL=https://github.com/rainlanguage/rain.orderbook ARG REMOTE_REPO_COMMIT=07a94259de218dd58de34fe3a5289c965cf277b6 RUN git clone "$REMOTE_REPO_URL" /app/rain.orderbook WORKDIR /app/rain.orderbook RUN git checkout "$REMOTE_REPO_COMMIT" RUN cp .env.example .env RUN git submodule update --init --recursive RUN bash -euo pipefail -c 'echo ">> prep-base.sh starting"; ./prep-base.sh; rc=$?; echo ">> prep-base.sh exited with code $rc"; exit $rc' RUN nix develop -c .#rainix-ob-cli-artifact RUN tar -xzf crates/cli/bin/rain-orderbook-cli.tar.gz -C /app RUN mv /app/rain-orderbook-cli /app/rain_orderbook_cli RUN chmod +x /app/rain_orderbook_cli WORKDIR /app + RUN chown -R appuser:appuser /app + USER appuserAll scripts in
./scripts/perform only user-level operations (curl, tar, mkdir, file I/O) and do not require elevated privileges.
41-41: Fix the broken ENTRYPOINT command.The current ENTRYPOINT attempts to run
local-db-pipeline, which does not exist in the image. Per the PR, a newdocker-entrypoint.shscript has been added to orchestrate the pipeline. The ENTRYPOINT must invoke that script instead.Replace line 41 with:
- ENTRYPOINT ["nix", "develop", "-c", "local-db-pipeline"] + ENTRYPOINT ["/app/scripts/docker-entrypoint.sh"]The script will be copied to
/app/scripts/(line 21) and is already executable (755 permissions).
27-37: Consolidate consecutive RUN instructions to reduce image layers and size.Seven consecutive RUN instructions (lines 27–37) create unnecessary layers, inflating the image size. For a "lightweight" image, consolidate them into a single RUN statement with
&&chaining and a shell header for fail-fast behavior.Apply this diff (after fixing the Nix syntax on line 34):
- RUN git clone "$REMOTE_REPO_URL" /app/rain.orderbook - WORKDIR /app/rain.orderbook - RUN git checkout "$REMOTE_REPO_COMMIT" - RUN cp .env.example .env - RUN git submodule update --init --recursive - RUN bash -euo pipefail -c 'echo ">> prep-base.sh starting"; ./prep-base.sh; rc=$?; echo ">> prep-base.sh exited with code $rc"; exit $rc' - RUN nix develop -c .#rainix-ob-cli-artifact - RUN tar -xzf crates/cli/bin/rain-orderbook-cli.tar.gz -C /app - RUN mv /app/rain-orderbook-cli /app/rain_orderbook_cli - RUN chmod +x /app/rain_orderbook_cli + RUN set -euo pipefail && \ + git clone "$REMOTE_REPO_URL" /app/rain.orderbook && \ + cd /app/rain.orderbook && \ + git checkout "$REMOTE_REPO_COMMIT" && \ + cp .env.example .env && \ + git submodule update --init --recursive && \ + bash -c 'echo ">> prep-base.sh starting"; ./prep-base.sh; rc=$?; echo ">> prep-base.sh exited with code $rc"; exit $rc' && \ + nix develop -c rainix-ob-cli-artifact && \ + tar -xzf crates/cli/bin/rain-orderbook-cli.tar.gz -C /app && \ + mv /app/rain-orderbook-cli /app/rain_orderbook_cli && \ + chmod +x /app/rain_orderbook_cliNote: Replace
nix develop -c rainix-ob-cli-artifactwith the correct form (eithernix run .#rainix-ob-cli-artifactornix develop -c rainix-ob-cli-artifactbased on your flake.nix) once verified.
34-34: Fix invalid Nix syntax:-cflag requires a command, not a flake reference.The command
nix develop -c .#rainix-ob-cli-artifactis syntactically invalid. The-cflag expects a command to execute, not a flake reference. This will fail at build time.Given the context (line 35 extracts
crates/cli/bin/rain-orderbook-cli.tar.gz),rainix-ob-cli-artifactis a package from the imported rainix outputs. Usenix runinstead:- RUN nix develop -c .#rainix-ob-cli-artifact + RUN nix run .#rainix-ob-cli-artifact
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Dockerfile
[low] 1-41: Ensure that HEALTHCHECK instructions have been added to container images
(CKV_DOCKER_2)
[low] 1-41: Ensure that a user for the container has been created
(CKV_DOCKER_3)
🪛 Hadolint (2.14.0)
Dockerfile
[warning] 3-3: Pin versions in apt get install. Instead of apt-get install <package> use apt-get install <package>=<version>
(DL3008)
[info] 30-30: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 31-31: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 33-33: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 34-34: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 35-35: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 36-36: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 37-37: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
| @@ -0,0 +1,41 @@ | |||
| FROM ubuntu:22.04 | |||
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🧩 Analysis chain
Pin the base image to a specific digest for reproducible, secure builds.
The floating tag ubuntu:22.04 can pull different snapshots on subsequent rebuilds, creating non-deterministic builds vulnerable to supply chain attacks. Pin to a specific digest to ensure reproducible builds.
Once you obtain the digest, replace line 1 with: FROM ubuntu@sha256:<digest>
🌐 Web query:
What is the current sha256 digest for ubuntu:22.04?
💡 Result:
The digest for ubuntu:22.04 (manifest list) is:
sha256:adbb90115a21969d2fe6fa7f9af4253e16d45f8d4c1e930182610c4731962658
(as seen on Docker image metadata — retrieved 2025-11-24). [1]
Sources:
[1] docker.io/library/ubuntu:22.04 image metadata.
Pin the base image to a specific digest for reproducible, secure builds.
The floating tag ubuntu:22.04 can pull different snapshots on subsequent rebuilds, creating non-deterministic builds vulnerable to supply chain attacks. Replace line 1 with the pinned digest to ensure reproducibility:
FROM ubuntu@sha256:adbb90115a21969d2fe6fa7f9af4253e16d45f8d4c1e930182610c4731962658
🧰 Tools
🪛 Checkov (3.2.334)
[low] 1-41: Ensure that HEALTHCHECK instructions have been added to container images
(CKV_DOCKER_2)
[low] 1-41: Ensure that a user for the container has been created
(CKV_DOCKER_3)
🤖 Prompt for AI Agents
In Dockerfile at lines 1-1, the base image uses the floating tag "ubuntu:22.04"
which can lead to non-reproducible builds; replace that line with a pinned image
digest (e.g., FROM
ubuntu@sha256:adbb90115a21969d2fe6fa7f9af4253e16d45f8d4c1e930182610c4731962658)
so the build always pulls the exact same image and update any CI/docs that
reference the unpinned tag.
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Actionable comments posted: 2
♻️ Duplicate comments (4)
Dockerfile (4)
1-1: Pin the base image digest for reproducible builds.Using the floating tag
ubuntu:22.04allows different image snapshots across rebuilds, breaking reproducibility and introducing supply-chain risks.Apply this diff to pin the digest:
-FROM ubuntu:22.04 +FROM ubuntu@sha256:adbb90115a21969d2fe6fa7f9af4253e16d45f8d4c1e930182610c4731962658
1-39: Add non-root user to follow least privilege principle.The container runs as root, violating security best practices and increasing risk if compromised. All operations (git clone, tar, nix commands) can run as a non-root user.
Apply this diff:
RUN apt-get update \ && apt-get install -y --no-install-recommends \ ca-certificates \ curl \ git \ xz-utils \ - && rm -rf /var/lib/apt/lists/* + && rm -rf /var/lib/apt/lists/* \ + && useradd -m -u 1000 nixuser ENV NIX_CONFIG="experimental-features = nix-command flakes" RUN bash -lc "sh <(curl --proto '=https' --tlsv1.2 -L https://nixos.org/nix/install) --daemon" \ && . /etc/profile.d/nix.sh \ - && nix --version + && nix --version \ + && chown -R nixuser:nixuser /nix /app ENV PATH="${PATH}:/nix/var/nix/profiles/default/bin" +USER nixuser WORKDIR /appEnsure the user is set before WORKDIR so all subsequent operations run as
nixuser.
1-39: Add HEALTHCHECK for container orchestration.Without a HEALTHCHECK, orchestration platforms cannot detect unhealthy containers or perform automatic restarts.
Add a HEALTHCHECK appropriate for your pipeline. For a batch job:
WORKDIR /app +HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \ + CMD test -f /tmp/pipeline-running || exit 1 + ENTRYPOINT ["nix", "run", ".#local-db-pipeline"]Update your pipeline scripts to create
/tmp/pipeline-runningon start and remove it on completion, or check for process existence.
27-35: Consider consolidating RUN instructions to reduce image layers.Multiple consecutive RUN statements create unnecessary layers, increasing the final image size—relevant for a "lightweight" image.
Apply this diff to consolidate:
-RUN git clone "$REMOTE_REPO_URL" /app/rain.orderbook -WORKDIR /app/rain.orderbook -RUN git checkout "$REMOTE_REPO_COMMIT" -RUN cp .env.example .env -RUN git submodule update --init --recursive -RUN bash ./prep-base.sh -RUN nix develop -c rainix-ob-cli-artifact -RUN tar -xzf crates/cli/bin/rain-orderbook-cli.tar.gz -C /app -RUN chmod +x /app/rain-orderbook-cli +WORKDIR /app/rain.orderbook +RUN set -euo pipefail \ + && git clone "$REMOTE_REPO_URL" . \ + && git checkout "$REMOTE_REPO_COMMIT" \ + && cp .env.example .env \ + && git submodule update --init --recursive \ + && bash ./prep-base.sh \ + && nix develop -c rainix-ob-cli-artifact \ + && tar -xzf crates/cli/bin/rain-orderbook-cli.tar.gz -C /app \ + && chmod +x /app/rain-orderbook-cliNote: Full clone retained because submodules are needed (line 31).
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- scripts/cleanup.sh
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🪛 Checkov (3.2.334)
Dockerfile
[low] 1-39: Ensure that HEALTHCHECK instructions have been added to container images
(CKV_DOCKER_2)
[low] 1-39: Ensure that a user for the container has been created
(CKV_DOCKER_3)
🪛 Hadolint (2.14.0)
Dockerfile
[warning] 3-3: Pin versions in apt get install. Instead of apt-get install <package> use apt-get install <package>=<version>
(DL3008)
[info] 30-30: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 31-31: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 32-32: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 33-33: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 34-34: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
[info] 35-35: Multiple consecutive RUN instructions. Consider consolidation.
(DL3059)
🔇 Additional comments (4)
Dockerfile (2)
24-25: Good use of build arguments for configuration.The ARG declarations allow customization of the cloned repository and commit while providing sensible defaults.
39-39: ENTRYPOINT uses Nix-managed pipeline—verify operational requirements.The ENTRYPOINT runs
nix run .#local-db-pipeline, which executes the pipeline defined inflake.nix. This leverages Nix for dependency management and is architecturally sound.However, ensure the operational model is documented:
- Is this a one-shot job or long-running service?
- How should orchestrators (Docker Compose, Kubernetes) monitor success/failure?
- What logs indicate pipeline completion or errors?
scripts/sync.sh (1)
21-21: CLI binary path change verified and consistent throughout codebase.The transition from
rain_orderbook_clitorain-orderbook-cliis complete and consistent:
- No stale underscore references remain
- New hyphenated name appears in all relevant locations: Dockerfile (34-35), scripts/sync.sh (21), scripts/cleanup.sh (14-15), and scripts/download-binary.sh (23, 34)
- Aligns with Unix naming conventions
flake.nix (1)
54-58: Correct the narrative about removed scripts.The review comment claims that
r2-upload.shanddownload-binary.shwere removed, but these scripts still exist in the repository and are actively referenced inscripts/docker-entrypoint.sh:
download-binary.shis called unconditionally on line 12r2-upload.shis conditionally called on line 24 for the R2 backendAdditionally, the flake.nix pipeline (sync.sh → do-spaces-upload.sh → cleanup.sh) is inconsistent with docker-entrypoint.sh, which includes download-binary.sh and conditionally branches on UPLOAD_BACKEND. Verify whether these execution paths should remain separate or if they need to be aligned.
Likely an incorrect or invalid review comment.
| RUN apt-get update \ | ||
| && apt-get install -y --no-install-recommends \ | ||
| ca-certificates \ | ||
| curl \ | ||
| git \ | ||
| xz-utils \ | ||
| && rm -rf /var/lib/apt/lists/* |
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❓ Verification inconclusive
Pin apt package versions for reproducible builds.
Unpinned packages will install different versions on subsequent rebuilds, breaking reproducibility—critical for a production image.
Verify current Ubuntu 22.04 (Jammy) package versions and pin them:
Once verified, update the Dockerfile:
RUN apt-get update \
&& apt-get install -y --no-install-recommends \
ca-certificates=<version> \
curl=<version> \
git=<version> \
xz-utils=<version> \
&& rm -rf /var/lib/apt/lists/*🏁 Script executed:
#!/bin/bash
# Description: Fetch exact package versions from Ubuntu 22.04
docker run --rm ubuntu:22.04 bash -c "
apt-get update -qq &&
apt-cache policy ca-certificates curl git xz-utils |
grep -E 'Candidate:|Installed:'
"Length of output: 44
Let me search for the current Ubuntu 22.04 package versions:
Pin apt package versions for reproducible builds.
Unpinned packages install different versions on subsequent rebuilds, breaking reproducibility—critical for production images. Update the Dockerfile with the current Ubuntu 22.04 versions:
RUN apt-get update \
&& apt-get install -y --no-install-recommends \
ca-certificates=20240203~22.04.1 \
curl=7.81.0-1ubuntu1.21 \
git=1:2.34.1-1ubuntu1.15 \
xz-utils=5.2.5-2ubuntu1 \
&& rm -rf /var/lib/apt/lists/*🧰 Tools
🪛 Hadolint (2.14.0)
[warning] 3-3: Pin versions in apt get install. Instead of apt-get install <package> use apt-get install <package>=<version>
(DL3008)
🤖 Prompt for AI Agents
In Dockerfile around lines 3 to 9, the apt-get install invocation uses unpinned
package versions which prevents reproducible builds; update the apt-get install
line to pin each package to the provided Ubuntu 22.04 package versions
(ca-certificates=20240203~22.04.1, curl=7.81.0-1ubuntu1.21,
git=1:2.34.1-1ubuntu1.15, xz-utils=5.2.5-2ubuntu1) while keeping the surrounding
apt-get update and cleanup commands intact so builds install the exact versions.
| RUN bash -lc "sh <(curl --proto '=https' --tlsv1.2 -L https://nixos.org/nix/install) --daemon" \ | ||
| && . /etc/profile.d/nix.sh \ | ||
| && nix --version |
There was a problem hiding this comment.
Verify Nix installer integrity or use a Nix base image.
The installer is fetched and executed without signature verification, creating a supply-chain vulnerability.
Consider these alternatives:
Option 1 (Recommended for lightweight): Use an official Nix base image:
-FROM ubuntu:22.04
+FROM nixos/nix:2.19.2
-RUN apt-get update \
- && apt-get install -y --no-install-recommends \
- ca-certificates \
- curl \
- git \
- xz-utils \
- && rm -rf /var/lib/apt/lists/*
-
ENV NIX_CONFIG="experimental-features = nix-command flakes"
-
-RUN bash -lc "sh <(curl --proto '=https' --tlsv1.2 -L https://nixos.org/nix/install) --daemon" \
- && . /etc/profile.d/nix.sh \
- && nix --version
-
-ENV PATH="${PATH}:/nix/var/nix/profiles/default/bin"Option 2: Pin and verify the installer:
-RUN bash -lc "sh <(curl --proto '=https' --tlsv1.2 -L https://nixos.org/nix/install) --daemon" \
+RUN curl --proto '=https' --tlsv1.2 -L https://releases.nixos.org/nix/nix-2.19.2/install -o /tmp/nix-install.sh \
+ && echo "<expected-sha256> /tmp/nix-install.sh" | sha256sum -c - \
+ && bash /tmp/nix-install.sh --daemon --no-channel-add \
&& . /etc/profile.d/nix.sh \
&& nix --versionCommittable suggestion skipped: line range outside the PR's diff.
🤖 Prompt for AI Agents
In Dockerfile around lines 13 to 15, the Nix installer is fetched and executed
without any integrity or authenticity checks, creating a supply-chain risk;
replace this by either using an official Nix base image (recommended) to avoid
runtime installation, or if you must install at build time, pin the installer
URL and checksum and verify the downloaded archive and its GPG signature before
executing (download installer and signature separately, verify signature against
Nix project keys, check file checksum, then run), and ensure the Dockerfile
fails the build if verification does not succeed.
Motivation
Solution
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