fix lambda build script (#51)

* fix lambda build script

* update the docs

Author: HarshCasper

.circleci/config.yml

@@ -29,7 +29,7 @@ jobs:
       - run:
           name: Build lambdas
           command:
-            bin/build_lambdas.sh
+            deployment/build-lambdas.sh
 
       - run:
           name: Deploy infrastructure

.github/workflows/integration-test.yml

@@ -62,7 +62,7 @@ jobs:
 
       - name: Build lambdas
         run: |
-          bin/build_lambdas.sh
+          deployment/build-lambdas.sh
 
       - name: Deploy infrastructure
         run: |
@@ -136,7 +136,7 @@ jobs:
 
       - name: Build lambdas
         run: |
-          bin/build_lambdas.sh
+          deployment/build-lambdas.sh
 
       - name: Deploy infrastructure
         run: |

.github/workflows/preview_create.yml

@@ -41,4 +41,4 @@ jobs:
           preview-cmd: |
             # Add your custom deployment commands here. 
             # Below is an example for the Image resizer application.
-            bin/build_lambdas.sh && deployment/awslocal/deploy.sh
+            deployment/build-lambdas.sh && deployment/awslocal/deploy.sh

.github/workflows/test_cloudpods.yml

@@ -48,7 +48,7 @@ jobs:
 
       - name: Deploy Infrastructure (Example)
         run: |
-          bin/build_lambdas.sh && deployment/awslocal/deploy.sh
+          deployment/build-lambdas.sh && deployment/awslocal/deploy.sh
 
       - name: Export LocalStack State File
         id: export_state

.gitlab-ci.yml

@@ -57,7 +57,7 @@ deploy:
         - .github/*
     - when: always
   script:
-    - ./bin/build_lambdas.sh
+    - ./deployment/build-lambdas.sh
     - ./deployment/awslocal/deploy.sh
     - mkdir -p /usr/lib/localstack
     - localstack state export ls-state-pod.zip

Makefile

@@ -28,7 +28,7 @@ install:
 ## Build the Lambda functions
 build-lambdas:
 	@echo "Building the Lambda functions..."
-	bash -c "source venv/bin/activate && bin/build_lambdas.sh"
+	bash -c "source venv/bin/activate && deployment/build-lambdas.sh"
 	@echo "Lambda functions built successfully."
 
 ## Deploy the application locally using `awslocal`, a wrapper for the AWS CLI

README.md

@@ -71,10 +71,16 @@ localstack auth set-token <your-auth-token>
 localstack start
 ```
 
+Before deploying the sample application, you need to build the Lambda functions. Run the following command:
+
+```shell
+deployment/build-lambdas.sh
+```
+
 To deploy the sample application, run the following command:
 
 ```shell
-bin/deploy.sh
+deployment/awslocal/deploy.sh
 ```
 
 The output will show the Lambda function URLs that you can use in the web application:

buildspec.yml

@@ -25,7 +25,7 @@ phases:
       - localstack start -d
   pre_build:
     commands:
-      - bin/build_lambdas.sh
+      - deployment/build-lambdas.sh
       - deployment/awslocal/deploy.sh
   build:
     commands:

deployment/build-lambdas.sh

@@ -1,15 +1,28 @@
 #!/bin/bash
 
-BASE_DIR="lambdas"
-LAMBDA_DIRS=("presign" "list" "resize")
-
-for dir in "${LAMBDA_DIRS[@]}"; do
-    LAMBDA_PATH="$BASE_DIR/$dir"
-    echo "Zipping Lambda function in $LAMBDA_PATH..."
-    if [ -d "$LAMBDA_PATH" ]; then
-        zip -r "$LAMBDA_PATH/lambda.zip" "$LAMBDA_PATH"/*
-    else
-        echo "Directory $LAMBDA_PATH not found!"
-        exit 1
-    fi
-done
+(cd lambdas/presign; rm -f lambda.zip; zip lambda.zip handler.py)
+
+(cd lambdas/list; rm -f lambda.zip; zip lambda.zip handler.py)
+
+os=$(uname -s)
+if [ "$os" == "Darwin" ]; then
+    (
+        cd lambdas/resize
+        rm -rf libs lambda.zip
+        docker run --platform linux/x86_64 --rm -v "$PWD":/var/task "public.ecr.aws/sam/build-python3.11" /bin/sh -c "pip3 install -r requirements.txt -t libs; exit"
+
+        cd libs && zip -r ../lambda.zip . && cd ..
+        zip lambda.zip handler.py
+        rm -rf libs
+    )
+else
+    (
+        cd lambdas/resize
+        rm -rf package lambda.zip
+        mkdir package
+        pip3 install -r requirements.txt --platform manylinux2014_x86_64 --only-binary=:all: -t package
+        zip lambda.zip handler.py
+        cd package
+        zip -r ../lambda.zip *;
+    )
+fi