Add Jest tests for CI/CD #3
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| name: CI/CD Node.js → AWS Lambda + API Gateway with Rollback | |
| on: | |
| push: | |
| branches: [ main ] | |
| jobs: | |
| build-and-test: | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Checkout code | |
| uses: actions/checkout@v3 | |
| - name: Setup Node.js | |
| uses: actions/setup-node@v3 | |
| with: | |
| node-version: '18' | |
| - name: Install dependencies | |
| run: npm install | |
| - name: Run tests | |
| run: npm test | |
| deploy: | |
| needs: build-and-test | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Checkout code | |
| uses: actions/checkout@v3 | |
| - name: Setup Node.js | |
| uses: actions/setup-node@v3 | |
| with: | |
| node-version: '18' | |
| - name: Install dependencies | |
| run: npm install | |
| - name: Zip project | |
| run: zip -r function.zip . | |
| - name: Configure AWS credentials | |
| uses: aws-actions/configure-aws-credentials@v2 | |
| with: | |
| aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }} | |
| aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }} | |
| aws-region: ${{ secrets.AWS_REGION }} | |
| - name: Deploy Lambda with rollback | |
| id: deploy | |
| run: | | |
| # Get current Lambda version of prod alias | |
| PREV_VERSION=$(aws lambda get-alias --function-name ${{ secrets.LAMBDA_FUNCTION_NAME }} --name prod --query 'FunctionVersion' --output text) | |
| echo "Previous Lambda version: $PREV_VERSION" | |
| # Update function code | |
| aws lambda update-function-code \ | |
| --function-name ${{ secrets.LAMBDA_FUNCTION_NAME }} \ | |
| --zip-file fileb://function.zip | |
| # Publish a new version | |
| NEW_VERSION=$(aws lambda publish-version --function-name ${{ secrets.LAMBDA_FUNCTION_NAME }} --query 'Version' --output text) | |
| echo "New Lambda version: $NEW_VERSION" | |
| # Update alias to new version | |
| aws lambda update-alias \ | |
| --function-name ${{ secrets.LAMBDA_FUNCTION_NAME }} \ | |
| --name prod \ | |
| --function-version $NEW_VERSION || \ | |
| # If alias update fails, rollback to previous version | |
| aws lambda update-alias \ | |
| --function-name ${{ secrets.LAMBDA_FUNCTION_NAME }} \ | |
| --name prod \ | |
| --function-version $PREV_VERSION | |
| - name: Deploy API Gateway | |
| run: | | |
| aws apigateway create-deployment \ | |
| --rest-api-id ${{ secrets.API_ID }} \ | |
| --stage-name ${{ secrets.STAGE_NAME }} \ | |
| --description "Deployed via GitHub Actions" |