Update build-and-publish-docker.yml #19
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| name: Build and Publish Docker Image | ||
| # This workflow triggers on a push to the main branch or pull requests targeting the main branch. | ||
| on: | ||
| push: | ||
| branches: [ "main" ] # Trigger on push to the main branch | ||
| pull_request: | ||
| branches: [ "main" ] # Trigger on pull requests to the main branch | ||
| env: | ||
| # Docker registry configuration | ||
| REGISTRY: ghcr.io # Use GitHub Container Registry by default | ||
| IMAGE_NAME: ${{ github.repository }} # Docker image name is the GitHub repository name | ||
| jobs: | ||
| build-and-publish: | ||
| runs-on: ubuntu-latest # Use the latest Ubuntu runner for this job | ||
| permissions: | ||
| contents: read # Allows the workflow to read repository contents | ||
| packages: write # Allows the workflow to write to GitHub Packages (e.g., Docker images) | ||
| id-token: write # Required for signing Docker images with cosign outside of PRs | ||
| steps: | ||
| # Step 1: Check out the repository code | ||
| - name: Checkout repository | ||
| uses: actions/checkout@v4 | ||
| # This step checks out the repository code so the workflow can access it | ||
| # Step 2: Extract version information from package.json | ||
| - name: Extract version from package.json | ||
| id: version | ||
| run: | | ||
| # Extract the version (e.g., 1.2.3) from package.json | ||
| SEMVER=$(grep '"version":' package.json | cut -d '"' -f 4) | ||
| # Store the extracted version as environment variable SEMVER | ||
| echo "SEMVER=$SEMVER" >> $GITHUB_ENV | ||
| # Step 4: Set up Docker Buildx for building multi-platform Docker images | ||
| - name: Set up Docker Buildx | ||
| uses: docker/setup-buildx-action@v3 | ||
| # Docker Buildx enables advanced features like multi-platform builds and cache exporting | ||
| # Step 5: Log in to the Docker registry | ||
| - name: Log into registry ${{ env.REGISTRY }} | ||
| uses: docker/login-action@v3 | ||
| with: | ||
| registry: ${{ env.REGISTRY }} # The Docker registry to log into | ||
| username: ${{ github.actor }} # Use the GitHub actor (user) as the username | ||
| password: ${{ secrets.GITHUB_TOKEN }} # Use the GitHub token as the password | ||
| # This step logs in to the Docker registry so that images can be pushed | ||
| # Step 6: Extract Docker image metadata (tags, labels) | ||
| - name: Extract Docker metadata | ||
| id: meta # Assigns an ID to this step for referencing its outputs later | ||
| uses: docker/metadata-action@v5 | ||
| with: | ||
| images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }} | ||
| tags: | | ||
|
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| # Define tags for the Docker image using version information | ||
| type=raw,value=latest | ||
| type=semver,pattern={{major}}.{{minor}}.{{patch}},value=${{ env.SEMVER }} | ||
| type=semver,pattern={{major}}.{{minor}},value=${{ env.SEMVER }} | ||
| type=semver,pattern={{major}},value=${{ env.SEMVER } | ||
| # Step 7: Build and push Docker image using Docker Buildx | ||
| - name: Build and push Docker image | ||
| id: build-and-push # Assigns an ID to this step for referencing its outputs later | ||
| uses: docker/build-push-action@v5 | ||
| with: | ||
| context: . # The context is the root of the repository | ||
| push: ${{ github.event_name != 'pull_request' }} # Only push if not a PR | ||
| # Define tags for the Docker image using version information | ||
| tags: ${{ steps.meta.outputs.tags }} # Use the tags generated in the previous step | ||
| # labels: ${{ steps.meta.outputs.labels }} # Use the labels generated in the previous step | ||
| cache-from: type=gha # Use GitHub Actions cache to speed up builds | ||
| cache-to: type=gha,mode=max # Store the cache in GitHub Actions for reuse | ||
| # This step builds the Docker image and pushes it to the registry (if not a PR) | ||
| # Step 3: Install the cosign tool for signing Docker images | ||
| #- name: Install cosign | ||
| # if: github.event_name != 'pull_request' # Only install cosign if not a PR | ||
| # uses: sigstore/cosign-installer@v3 | ||
| # This installs the cosign tool for use in the signing step later | ||
| # Step 8: Sign the resulting Docker image digest (only if not a PR) | ||
| #- name: Sign the published Docker image | ||
| # if: ${{ github.event_name != 'pull_request' }} # Only sign if not a PR | ||
| # env: | ||
| # TAGS: ${{ steps.meta.outputs.tags }} # Use the tags generated earlier | ||
| # DIGEST: ${{ steps.build-and-push.outputs.digest }} # Use the digest of the built image | ||
| # run: echo "${TAGS}" | xargs -I {} cosign sign --yes {}@${DIGEST} | ||
| # This step signs the Docker image using cosign to ensure its integrity and authenticity | ||
