feat(ci): don't run build on unchanged containers #71
Workflow file for this run
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| name: Docker build | |
| on: | |
| push: | |
| branches: | |
| - '*' | |
| pull_request: | |
| types: [opened] | |
| workflow_dispatch: | |
| env: | |
| REGISTRY: ghcr.io | |
| jobs: | |
| list_containers: | |
| name: List containers to build | |
| runs-on: ubuntu-latest | |
| if: >- | |
| (github.event_name == 'push' && github.event.before != '0000000000000000000000000000000000000000') || | |
| github.event_name != 'push' | |
| outputs: | |
| matrix: ${{ steps.set-matrix.outputs.MATRIX }} | |
| steps: | |
| - name: Checkout repository | |
| uses: actions/checkout@v4 | |
| - name: Generate containers list with parameters | |
| id: set-matrix | |
| working-directory: containers | |
| run: | | |
| echo "Event: ${{ github.event_name }}" | |
| echo "Action: ${{ github.event.action }}" | |
| echo "Base ref: ${{ github.event.base_ref }}" | |
| echo "Before: ${{ github.event.before }}" | |
| echo "After: ${{ github.event.after }}" | |
| echo "Pull request base ref: ${{ github.event.pull_request.base.ref }}" | |
| echo "Pull request base sha: ${{ github.event.pull_request.base.sha }}" | |
| echo "Pull request head ref: ${{ github.event.pull_request.head.ref }}" | |
| echo "Pull request head sha: ${{ github.event.pull_request.head.sha }}" | |
| { | |
| echo "MATRIX<<9743a66f914cc249efca164485a19c5c" | |
| for d in * ; do | |
| if [ -f "$d/Dockerfile" ] ; then | |
| echo "- container: \"$d\"" | |
| # extract additional properties from Dockerfiles | |
| sed -En 's/^#\s+((\w|-)+):\s+(.+)$/ "\1": "\3"/p' "$d/Dockerfile" | |
| fi | |
| done | yq -p yaml -o json -I 0 . | |
| echo 9743a66f914cc249efca164485a19c5c | |
| } >> "$GITHUB_OUTPUT" | |
| build: | |
| name: "Build container: ${{ matrix.container }}" | |
| runs-on: ubuntu-latest | |
| needs: list_containers | |
| permissions: | |
| contents: read | |
| packages: write | |
| # This is used to complete the identity challenge | |
| # with sigstore/fulcio when running outside of PRs. | |
| id-token: write | |
| strategy: | |
| fail-fast: false | |
| matrix: | |
| include: ${{ fromJSON(needs.list_containers.outputs.matrix) }} | |
| steps: | |
| - name: Checkout repository | |
| uses: actions/checkout@v4 | |
| - name: Generate properties | |
| id: props | |
| run: | | |
| PLATFORMS_DEFAULT="linux/amd64,linux/arm64" | |
| PLATFORMS="${{ matrix.platforms }}" | |
| { | |
| echo "platforms=${PLATFORMS:-"${PLATFORMS_DEFAULT}"}" | |
| } >> "$GITHUB_OUTPUT" | |
| # Workaround: https://github.com/docker/build-push-action/issues/461 | |
| - name: Setup Docker buildx | |
| uses: docker/setup-buildx-action@v3 | |
| - name: Log into registry ${{ env.REGISTRY }} | |
| uses: docker/login-action@v3 | |
| with: | |
| registry: ${{ env.REGISTRY }} | |
| username: ${{ github.actor }} | |
| password: ${{ secrets.GITHUB_TOKEN }} | |
| - name: Extract Docker metadata | |
| id: meta | |
| uses: docker/metadata-action@v5 | |
| with: | |
| images: ${{ env.REGISTRY }}/${{ github.repository }}/${{ matrix.container }} | |
| labels: | | |
| org.opencontainers.image.title=${{ matrix.container }} | |
| tags: | | |
| type=schedule | |
| type=ref,event=branch | |
| type=ref,event=tag | |
| type=raw,value=latest,enable={{is_default_branch}} | |
| - name: Build and push Docker image | |
| id: build-and-push | |
| uses: docker/build-push-action@v5 | |
| with: | |
| context: containers/${{ matrix.container }} | |
| push: true | |
| platforms: ${{ steps.props.outputs.platforms }} | |
| tags: ${{ steps.meta.outputs.tags }} | |
| labels: ${{ steps.meta.outputs.labels }} | |
| cache-from: type=gha | |
| cache-to: type=gha,mode=max |