Update to go modules add dockerfile

.dockerignore

@@ -0,0 +1,2 @@
+s3-sftp-proxy
+s3-sftp-proxy.toml

Dockerfile

@@ -0,0 +1,16 @@
+FROM golang:1.13-alpine as builder
+RUN apk add --no-cache coreutils bash git openssh
+WORKDIR /app
+COPY ./ /app
+RUN go version \
+    && go build ./ \
+    && chmod +x s3-sftp-proxy
+
+FROM golang:1.13-alpine
+RUN apk add --no-cache openssh \
+    && addgroup -S s3sftpproxy && \
+    adduser -S s3sftpproxy -G s3sftpproxy
+USER s3sftpproxy:s3sftpproxy
+WORKDIR /app
+COPY --from=builder /app/s3-sftp-proxy /s3-sftp-proxy
+ENTRYPOINT [ "/s3-sftp-proxy" ]

README.md

@@ -4,7 +4,7 @@
 
 ## Usage
 
-```
+```bash
 Usage of s3-sftp-proxy:
   -bind string
         listen on addr:port
@@ -255,3 +255,17 @@ user1 = { password="test", public_keys="..." }
 
     Specifies the public keys authorized to use in authentication.  Multiple keys can be specified by delimiting them by newlines.
 
+## Example docker-compose usage
+
+```yaml
+version: '3.6'
+
+services:
+  s3proxy:
+    build: .
+    ports:
+      - 10022:10022
+    volumes:
+      - ./s3-sftp-proxy.toml:/app/s3-sftp-proxy.toml
+      - ./host_key:/app/host_key
+```

go.mod

@@ -0,0 +1,13 @@
+module github.com/moriyoshi/s3-sftp-proxy
+
+go 1.13
+
+require (
+	github.com/BurntSushi/toml v0.3.1
+	github.com/aws/aws-sdk-go v1.25.21
+	github.com/pkg/errors v0.8.1
+	github.com/pkg/sftp v1.10.1
+	github.com/sirupsen/logrus v1.4.2
+	github.com/stretchr/testify v1.4.0
+	golang.org/x/crypto v0.0.0-20191029031824-8986dd9e96cf
+)

go.sum

@@ -0,0 +1,39 @@
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