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‎docs/build_recipes/cicd-integration.md

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---
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title: CI/CD Integration
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description: Automate Lambda function builds and deployments
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---
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<!-- markdownlint-disable MD043 -->
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Automate your Lambda function builds and deployments using popular CI/CD platforms. These examples show how to build and deploy Lambda functions with Powertools for AWS with proper cross-platform compatibility and deploy them reliably.
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## GitHub Actions
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**GitHub Actions** provides a powerful, integrated CI/CD platform that runs directly in your GitHub repository. It offers excellent integration with AWS services, supports matrix builds for testing multiple configurations, and provides a rich ecosystem of pre-built actions.
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=== "Modern AWS Lambda deploy action"
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```yaml
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--8<-- "examples/build_recipes/cicd/github-actions/deploy-modern.yml"
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```
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=== "Multi-environment deployment"
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```yaml
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--8<-- "examples/build_recipes/cicd/github-actions/deploy-multi-env.yml"
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```
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=== "Simple source code deployment"
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```yaml
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--8<-- "examples/build_recipes/cicd/github-actions/deploy-simple.yml"
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```
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=== "S3 deployment method"
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```yaml
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--8<-- "examples/build_recipes/cicd/github-actions/deploy-s3.yml"
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```
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=== "Build tool integration"
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```yaml
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--8<-- "examples/build_recipes/cicd/github-actions/deploy-build-tools.yml"
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```
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## AWS CodeBuild
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**AWS CodeBuild** is a fully managed build service that compiles source code, runs tests, and produces deployment packages. It integrates seamlessly with other AWS services and provides consistent build environments with automatic scaling.
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=== "Basic CodeBuild Configuration"
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```yaml
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--8<-- "examples/build_recipes/cicd/codebuild/buildspec.yml"
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```
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## Best Practices for CI/CD
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1. **Use Linux runners** (ubuntu-latest) to ensure Lambda compatibility
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2. **Cache dependencies** to speed up builds (uv, poetry cache, pip cache)
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3. **Run tests first** before building deployment packages
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4. **Use matrix builds** to test multiple Python versions or configurations
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5. **Implement proper secrets management** with GitHub Secrets or AWS Parameter Store
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6. **Add deployment gates** for production environments
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7. **Monitor deployment success** with CloudWatch metrics and alarms
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???+ tip "Performance Optimization"
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- Use **uv** for fastest dependency installation in CI/CD
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- **Cache virtual environments** between builds when possible
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- **Parallelize builds** for multiple environments
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- **Use container images** for complex dependencies or large packages

‎examples/build_recipes/cicd/codebuild/buildspec-advanced.yml

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version: 0.2
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env:
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variables:
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PYTHON_VERSION: "3.13"
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BUILD_STAGE: "build"
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parameter-store:
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POWERTOOLS_VERSION: "/build/powertools-version"
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batch:
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fast-fail: false
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build-list:
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- identifier: test
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env:
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variables:
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BUILD_STAGE: "test"
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- identifier: build_dev
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env:
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variables:
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BUILD_STAGE: "build"
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ENVIRONMENT: "dev"
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depend-on:
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- test
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- identifier: build_prod
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env:
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variables:
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BUILD_STAGE: "build"
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ENVIRONMENT: "prod"
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depend-on:
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- test
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phases:
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install:
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runtime-versions:
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python: $PYTHON_VERSION
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commands:
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- echo "Build stage: $BUILD_STAGE, Environment: $ENVIRONMENT"
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- pip install --upgrade pip uv
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pre_build:
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commands:
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- |
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if [ "$BUILD_STAGE" = "test" ]; then
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echo "Installing test dependencies..."
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uv venv test-env
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source test-env/bin/activate
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uv pip install aws-lambda-powertools[all]==$POWERTOOLS_VERSION pytest pytest-cov
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cp -r src/ test-src/
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else
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echo "Installing build dependencies..."
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uv venv build-env
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source build-env/bin/activate
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uv pip install aws-lambda-powertools[all]==$POWERTOOLS_VERSION
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uv pip install pydantic requests
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fi
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build:
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commands:
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- |
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if [ "$BUILD_STAGE" = "test" ]; then
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echo "Running tests..."
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source test-env/bin/activate
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cd test-src
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pytest tests/ --cov=. --cov-report=xml --cov-report=term
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echo "Tests completed successfully"
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else
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echo "Building deployment package for $ENVIRONMENT..."
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source build-env/bin/activate
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# Create environment-specific package
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mkdir -p package-$ENVIRONMENT/
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cp -r build-env/lib/python*/site-packages/* package-$ENVIRONMENT/
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cp -r src/* package-$ENVIRONMENT/
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# Environment-specific optimizations
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if [ "$ENVIRONMENT" = "prod" ]; then
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echo "Applying production optimizations..."
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find package-$ENVIRONMENT/ -name "*.pyc" -delete
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find package-$ENVIRONMENT/ -name "__pycache__" -type d -exec rm -rf {} + 2>/dev/null || true
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find package-$ENVIRONMENT/ -name "tests" -type d -exec rm -rf {} + 2>/dev/null || true
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find package-$ENVIRONMENT/ -name "*.dist-info" -type d -exec rm -rf {} + 2>/dev/null || true
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fi
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# Create deployment ZIP
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cd package-$ENVIRONMENT && zip -r ../lambda-$ENVIRONMENT.zip . && cd ..
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echo "Package size for $ENVIRONMENT: $(du -sh lambda-$ENVIRONMENT.zip)"
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fi
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post_build:
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commands:
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- |
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if [ "$BUILD_STAGE" = "build" ]; then
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echo "Deploying to $ENVIRONMENT environment..."
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# Deploy to environment-specific function
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aws lambda update-function-code \
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--function-name powertools-app-$ENVIRONMENT \
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--zip-file fileb://lambda-$ENVIRONMENT.zip \
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--region $AWS_DEFAULT_REGION
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# Update environment-specific configuration
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LOG_LEVEL="INFO"
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if [ "$ENVIRONMENT" = "dev" ]; then
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LOG_LEVEL="DEBUG"
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fi
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aws lambda update-function-configuration \
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--function-name powertools-app-$ENVIRONMENT \
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--environment Variables="{
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ENVIRONMENT=$ENVIRONMENT,
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POWERTOOLS_SERVICE_NAME=powertools-app-$ENVIRONMENT,
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POWERTOOLS_METRICS_NAMESPACE=MyApp/$ENVIRONMENT,
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POWERTOOLS_LOG_LEVEL=$LOG_LEVEL
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}" \
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--region $AWS_DEFAULT_REGION
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echo "Deployment to $ENVIRONMENT completed successfully!"
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fi
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artifacts:
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files:
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- lambda-*.zip
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- coverage.xml
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name: lambda-artifacts-$(date +%Y-%m-%d-%H-%M-%S)
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cache:
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paths:
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- 'build-env/**/*'
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- 'test-env/**/*'
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‎examples/build_recipes/cicd/codebuild/buildspec.yml

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version: 0.2
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env:
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variables:
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PYTHON_VERSION: "3.13"
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POWERTOOLS_VERSION: "3.18.0"
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parameter-store:
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FUNCTION_NAME: "/lambda/powertools-app/function-name"
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phases:
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install:
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runtime-versions:
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python: $PYTHON_VERSION
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commands:
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- echo "Installing build dependencies..."
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- pip install --upgrade pip
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- pip install uv poetry # Install fast package managers
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pre_build:
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commands:
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- echo "Pre-build phase started on $(date)"
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- echo "Python version: $(python --version)"
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- echo "Installing application dependencies..."
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# Use uv for fast dependency installation
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- uv venv build-env
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- source build-env/bin/activate
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- uv pip install aws-lambda-powertools[all]==$POWERTOOLS_VERSION
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- uv pip install pydantic requests
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build:
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commands:
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- echo "Build started on $(date)"
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- echo "Creating deployment package..."
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# Create optimized deployment package
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- mkdir -p package/
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- cp -r build-env/lib/python*/site-packages/* package/
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- cp -r src/* package/
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# Remove unnecessary files to reduce package size
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- find package/ -name "*.pyc" -delete
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- find package/ -name "__pycache__" -type d -exec rm -rf {} + 2>/dev/null || true
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- find package/ -name "tests" -type d -exec rm -rf {} + 2>/dev/null || true
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- find package/ -name "*.dist-info" -type d -exec rm -rf {} + 2>/dev/null || true
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# Create deployment ZIP
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- cd package && zip -r ../lambda-deployment.zip . && cd ..
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# Show package info
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- echo "Package size: $(du -sh lambda-deployment.zip)"
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- echo "Package contents:"
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- unzip -l lambda-deployment.zip | head -20
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post_build:
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commands:
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- echo "Build completed on $(date)"
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- echo "Deploying Lambda function..."
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# Deploy to Lambda
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- aws lambda update-function-code \
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--function-name $FUNCTION_NAME \
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--zip-file fileb://lambda-deployment.zip \
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--region $AWS_DEFAULT_REGION
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# Update environment variables
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- aws lambda update-function-configuration \
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--function-name $FUNCTION_NAME \
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--environment Variables="{
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POWERTOOLS_SERVICE_NAME=powertools-codebuild,
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POWERTOOLS_METRICS_NAMESPACE=MyApp/CodeBuild,
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POWERTOOLS_LOG_LEVEL=INFO
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}" \
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--region $AWS_DEFAULT_REGION
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- echo "Deployment completed successfully!"
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artifacts:
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files:
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- lambda-deployment.zip
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name: lambda-deployment-$(date +%Y-%m-%d-%H-%M-%S)
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cache:
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paths:
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- 'build-env/**/*' # Cache virtual environment for faster builds

‎examples/build_recipes/cicd/github-actions/deploy-build-tools.yml

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name: Deploy with Different Build Tools
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on:
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push:
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branches: [main]
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jobs:
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deploy-poetry:
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
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- name: Set up Python
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uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
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with:
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python-version: '3.13'
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- name: Install Poetry
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run: pip install --upgrade pip poetry
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- name: Build with Poetry
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run: |
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# Create deployment directory
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mkdir -p poetry-deploy/
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# Export and install dependencies
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poetry export -f requirements.txt --output requirements.txt --without-hashes
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pip install --platform manylinux2014_x86_64 --only-binary=:all: \
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--python-version 3.13 -r requirements.txt -t poetry-deploy/
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# Copy source code
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cp -r src/* poetry-deploy/
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- name: Configure AWS credentials
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uses: aws-actions/configure-aws-credentials@209f2a4450bb4b277e1dedaff40ad2fd8d4d0a4c # v4.3.0
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with:
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role-to-assume: ${{ secrets.AWS_ROLE_TO_ASSUME }}
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aws-region: us-east-1
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- name: Deploy Poetry build
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uses: aws-actions/aws-lambda-deploy@246115fccc1ad110c97f729696574d09eb5c690d
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with:
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function-name: powertools-poetry-function
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code-artifacts-dir: poetry-deploy/
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handler: app.lambda_handler
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runtime: python3.13
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environment: '{"POWERTOOLS_SERVICE_NAME":"powertools-poetry","POWERTOOLS_METRICS_NAMESPACE":"MyApp","POWERTOOLS_LOG_LEVEL":"INFO"}'
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role: ${{ secrets.LAMBDA_EXECUTION_ROLE_ARN }}
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deploy-uv:
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
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- name: Set up Python
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uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
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with:
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python-version: '3.13'
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- name: Build with uv (fastest)
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run: |
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# Install uv
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pip install uv
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# Create deployment directory
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mkdir -p uv-deploy/
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# Install dependencies with uv (much faster)
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uv pip install \
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--target uv-deploy/ \
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--python-version 3.13 \
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--platform manylinux2014_x86_64 --only-binary=:all: \
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aws-lambda-powertools[all] pydantic requests
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# Copy source code
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cp -r src/* uv-deploy/
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- name: Configure AWS credentials
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uses: aws-actions/configure-aws-credentials@209f2a4450bb4b277e1dedaff40ad2fd8d4d0a4c # v4.3.0
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with:
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role-to-assume: ${{ secrets.AWS_ROLE_TO_ASSUME }}
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aws-region: us-east-1
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- name: Deploy uv build
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uses: aws-actions/aws-lambda-deploy@246115fccc1ad110c97f729696574d09eb5c690d # v1.0.1
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with:
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function-name: powertools-uv-function
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code-artifacts-dir: uv-deploy/
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handler: app.lambda_handler
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runtime: python3.13
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environment: '{"POWERTOOLS_SERVICE_NAME":"powertools-uv","POWERTOOLS_METRICS_NAMESPACE":"MyApp","POWERTOOLS_LOG_LEVEL":"INFO"}'
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role: ${{ secrets.LAMBDA_EXECUTION_ROLE_ARN }}

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