Docker Multi-Stage Pipeline #125
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| name: Docker Multi-Stage Pipeline | |
| on: | |
| push: | |
| branches: | |
| - main | |
| workflow_dispatch: # Allow manual runs from the Actions tab | |
| schedule: | |
| # Daily at 11:00 IST => 05:30 UTC | |
| - cron: "30 5 * * *" | |
| # Prevent overlapping runs (especially useful with schedules) | |
| concurrency: | |
| group: docker-multistage | |
| cancel-in-progress: false | |
| permissions: | |
| contents: read | |
| jobs: | |
| docker-build: | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Checkout code | |
| uses: actions/checkout@v4 | |
| # Optional: Enable Buildx for better caching/multi-arch | |
| - name: Set up Docker Buildx | |
| uses: docker/setup-buildx-action@v3 | |
| - name: Build Docker image | |
| run: | | |
| docker build -t docker:siva . | |
| - name: Save Docker image as artifact | |
| run: | | |
| docker save docker:siva > image.tar | |
| - name: Upload image artifact | |
| uses: actions/upload-artifact@v4 | |
| with: | |
| name: docker-image | |
| path: image.tar | |
| retention-days: 1 | |
| docker-test: | |
| runs-on: ubuntu-latest | |
| needs: docker-build | |
| steps: | |
| - name: Download image artifact | |
| uses: actions/download-artifact@v4 | |
| with: | |
| name: docker-image | |
| - name: Load Docker image | |
| run: docker load < image.tar | |
| - name: Run and Test Docker image | |
| env: | |
| CONTAINER_NAME: docker-ci-test | |
| run: | | |
| set -e | |
| docker run -d --name "$CONTAINER_NAME" -p 8080:3000 docker:siva | |
| # Wait for port to be ready (basic retry loop) | |
| for i in {1..10}; do | |
| if curl -sSf http://localhost:8080/ > /dev/null; then | |
| echo "App responded OK" | |
| break | |
| fi | |
| echo "Waiting for app to be ready..." | |
| sleep 3 | |
| done | |
| # Final assertion (fail the job if not 200 or 204) | |
| curl -sSf -o /dev/null -w "%{http_code}\n" http://localhost:8080/ | grep -qE "200|204" | |
| # Cleanup | |
| docker logs "$CONTAINER_NAME" || true | |
| docker rm -f "$CONTAINER_NAME" | |
| docker-push: | |
| runs-on: ubuntu-latest | |
| needs: docker-test | |
| steps: | |
| - name: Checkout code | |
| uses: actions/checkout@v4 | |
| - name: Log in to Docker Hub | |
| uses: docker/login-action@v3 | |
| with: | |
| username: ${{ secrets.DOCKER_USERNAME }} | |
| password: ${{ secrets.DOCKER_PASSWORD }} | |
| - name: Download image artifact | |
| uses: actions/download-artifact@v4 | |
| with: | |
| name: docker-image | |
| - name: Load Docker image | |
| run: docker load < image.tar | |
| - name: Tag and Push Docker image | |
| env: | |
| IMAGE_NAME: golisivaprasad/local | |
| run: | | |
| set -e | |
| # Tag both siva and the commit SHA for traceability | |
| docker tag docker:siva $IMAGE_NAME:siva | |
| # docker tag docker:siva $IMAGE_NAME:${{ github.sha }} | |
| docker push $IMAGE_NAME:siva | |
| # docker push $IMAGE_NAME:${{ github.sha }} |