Build & Publish Docker Images #43
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| name: Build & Publish Docker Images | |
| # This workflow uses actions that are not certified by GitHub. | |
| # They are provided by a third-party and are governed by | |
| # separate terms of service, privacy policy, and support | |
| # documentation. | |
| on: | |
| schedule: | |
| - cron: '30 3 * * *' | |
| push: | |
| branches: [ "main" ] | |
| paths: | |
| - 'fpm.Dockerfile' | |
| - 'apache.Dockerfile' | |
| pull_request: | |
| branches: [ "main" ] | |
| paths: | |
| - 'fpm.Dockerfile' | |
| - 'apache.Dockerfile' | |
| workflow_dispatch: | |
| env: | |
| # Use docker.io for Docker Hub if empty | |
| REGISTRY: ghcr.io | |
| # github.repository as <account>/<repo> | |
| IMAGE_NAME: ${{ github.repository }} | |
| jobs: | |
| build: | |
| runs-on: ubuntu-latest | |
| 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: | |
| matrix: | |
| variant: [fpm, apache] | |
| steps: | |
| - name: Checkout repository | |
| uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4 | |
| # Install the cosign tool except on PR | |
| # https://github.com/sigstore/cosign-installer | |
| - name: Install cosign | |
| if: github.event_name != 'pull_request' | |
| uses: sigstore/cosign-installer@dc72c7d5c4d10cd6bcb8cf6e3fd625a9e5e537da # v3.7.0 | |
| with: | |
| cosign-release: 'v2.4.0' | |
| # Workaround: https://github.com/docker/build-push-action/issues/461 | |
| - name: Setup Docker buildx | |
| uses: docker/setup-buildx-action@6a25f988bdfa969e96a38fc9f843ea31e0b5df27 | |
| # Login against a Docker registry except on PR | |
| # https://github.com/docker/login-action | |
| - name: Log into registry ${{ env.REGISTRY }} | |
| if: github.event_name != 'pull_request' | |
| uses: docker/login-action@327cd5a69de6c009b9ce71bce8395f28e651bf99 | |
| with: | |
| registry: ${{ env.REGISTRY }} | |
| username: ${{ github.actor }} | |
| password: ${{ secrets.GITHUB_TOKEN }} | |
| - name: Extract Base Image Tag | |
| id: dockerfile_regex | |
| shell: bash | |
| run: | | |
| version=$(perl -ne 'm/FROM .+:((?:\d+\.?){3})-${{ matrix.variant }}/ && print "$1"' ${{ matrix.variant }}.Dockerfile) | |
| echo "version=$version" >> $GITHUB_OUTPUT | |
| # Extract metadata (tags, labels) for Docker | |
| # https://github.com/docker/metadata-action | |
| - name: Extract Docker metadata | |
| id: meta | |
| uses: docker/metadata-action@8e1d5461f02b7886d3c1a774bfbd873650445aa2 | |
| with: | |
| images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }} | |
| tags: | | |
| type=ref,event=branch,suffix=-${{ matrix.variant }} | |
| type=ref,event=tag,suffix=-${{ matrix.variant }} | |
| type=sha,suffix=-${{ matrix.variant }} | |
| type=raw,${{ steps.dockerfile_regex.outputs.version }}-${{ matrix.variant }} | |
| # Build and push Docker image with Buildx (don't push on PR) | |
| # https://github.com/docker/build-push-action | |
| - name: Build and push Docker images | |
| id: build-and-push | |
| uses: docker/build-push-action@67a2d409c0a876cbe6b11854e3e25193efe4e62d | |
| with: | |
| context: . | |
| file: ./${{ matrix.variant }}.Dockerfile | |
| push: ${{ github.event_name != 'pull_request' }} | |
| tags: ${{ steps.meta.outputs.tags }} | |
| labels: ${{ steps.meta.outputs.labels }} | |
| cache-from: type=gha | |
| cache-to: type=gha,mode=max | |
| platforms: "linux/amd64,linux/arm64" | |
| # Sign the resulting Docker image digest except on PRs. | |
| # This will only write to the public Rekor transparency log when the Docker | |
| # repository is public to avoid leaking data. If you would like to publish | |
| # transparency data even for private images, pass --force to cosign below. | |
| # https://github.com/sigstore/cosign | |
| - name: Sign the published Docker images | |
| if: ${{ github.event_name != 'pull_request' }} | |
| env: | |
| COSIGN_EXPERIMENTAL: "true" | |
| # This step uses the identity token to provision an ephemeral certificate | |
| # against the sigstore community Fulcio instance. | |
| run: echo "${{ steps.meta.outputs.tags }}" | xargs -I {} cosign sign {}@${{ steps.build-and-push.outputs.digest }} -y |