Build & Publish Docker Images #482
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| 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@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6 | |
| # 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@faadad0cce49287aee09b3a48701e75088a2c6ad # v4.0.0 | |
| 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@1583c0f09d26c58c59d25b0eef29792b7ce99d9a | |
| # 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@28fdb31ff34708d19615a74d67103ddc2ea9725c | |
| 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@8d8c7c12f7b958582a5cb82ba16d5903cb27976a | |
| 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 }}-${{ matrix.variant }} | |
| # Build and push Docker image with Buildx (don't push on PR) | |
| # https://github.com/docker/build-push-action | |
| - name: Build and push Docker images | |
| id: build-and-push | |
| uses: docker/build-push-action@9e436ba9f2d7bcd1d038c8e55d039d37896ddc5d | |
| with: | |
| context: . | |
| file: ./${{ 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 |