diff --git a/.github/workflows/_prepare-image-build.yml b/.github/workflows/_prepare-image-build.yml new file mode 100644 index 0000000..d0d3c16 --- /dev/null +++ b/.github/workflows/_prepare-image-build.yml @@ -0,0 +1,23 @@ +name: Prepare building Docker image + +on: + workflow_call: + inputs: + registry: + required: true + type: string + +jobs: + prepare-image-build: + runs-on: ubuntu-latest + steps: + - name: Set up Docker Buildx + uses: docker/setup-buildx-action@c47758b77c9736f4b2ef4073d4d51994fabfe349 + + # Uses the `docker/login-action` action to log in to the Container registry registry using the account and password that will publish the packages. Once published, the packages are scoped to the account defined here. + - name: Log in to the Container registry + uses: docker/login-action@65b78e6e13532edd9afa3aa52ac7964289d1a9c1 + with: + registry: ${{ inputs.registry }} + username: ${{ github.actor }} + password: ${{ secrets.GITHUB_TOKEN }} diff --git a/.github/workflows/docker-image.yml b/.github/workflows/docker-image.yml index 48e3c0c..5887495 100644 --- a/.github/workflows/docker-image.yml +++ b/.github/workflows/docker-image.yml @@ -3,6 +3,7 @@ name: Create and publish a Docker image # Configures this workflow to run every time a change is pushed to the branch called `main` or a tag named 'v*' is pushed. on: + workflow_dispatch: push: branches: ['main'] tags: @@ -15,17 +16,20 @@ env: # There is a single job in this workflow. It's configured to run on the latest available version of Ubuntu. jobs: - image: - runs-on: ubuntu-latest + build-image: + strategy: + fail-fast: false + matrix: + base-image: [debian, alpine] + platform: [linux/amd64, linux/arm64] + + runs-on: ${{ matrix.platform == 'linux/arm64' && 'linux-arm64' || 'ubuntu-latest' }} + # Sets the permissions granted to the `GITHUB_TOKEN` for the actions in this job. permissions: contents: read packages: write - strategy: - fail-fast: false - matrix: - base-image: [debian, alpine] steps: - name: Prepare run: | @@ -37,15 +41,16 @@ jobs: echo "FLAVOR_OPTS=suffix=-alpine,onlatest=true" >> $GITHUB_ENV fi + platform=${{ matrix.platform }} + echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV + - name: Checkout repository uses: actions/checkout@v4 - # Uses the `docker/login-action` action to log in to the Container registry registry using the account and password that will publish the packages. Once published, the packages are scoped to the account defined here. - - name: Log in to the Container registry - uses: docker/login-action@65b78e6e13532edd9afa3aa52ac7964289d1a9c1 + + - name: Prepare Docker image build + uses: ./.github/workflows/_prepare-image-build.yml with: registry: ${{ env.REGISTRY }} - username: ${{ github.actor }} - password: ${{ secrets.GITHUB_TOKEN }} # This step uses [docker/metadata-action](https://github.com/docker/metadata-action#about) to extract tags and labels that will be applied to the specified image. The `id` "meta" allows the output of this step to be referenced in a subsequent step. The `images` value provides the base name for the tags and labels. - name: Extract metadata (tags, labels) for Docker @@ -53,20 +58,73 @@ jobs: uses: docker/metadata-action@8e5442c4ef9f78752691e2d8f8d19755c6f78e81 with: images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }} - tags: | - type=ref,event=branch - type=semver,pattern={{version}} - flavor: | - ${{ env.FLAVOR_OPTS }} # This step uses the `docker/build-push-action` action to build the image, based on your repository's `Dockerfile`. If the build succeeds, it pushes the image to GitHub Packages. # It uses the `context` parameter to define the build's context as the set of files located in the specified path. For more information, see "[Usage](https://github.com/docker/build-push-action#usage)" in the README of the `docker/build-push-action` repository. # It uses the `tags` and `labels` parameters to tag and label the image with the output from the "meta" step. - name: Build and push Docker image + id: build uses: docker/build-push-action@f2a1d5e99d037542a71f64918e516c093c6f3fc4 with: + platforms: ${{ matrix.platform }} context: . file: docker/${{ env.DOCKERFILE }} - push: true - tags: ${{ steps.meta.outputs.tags }} labels: ${{ steps.meta.outputs.labels }} + outputs: type=image,name=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }},push-by-digest=true,name-canonical=true,push=true + + - name: Export digest + run: | + mkdir -p /tmp/digests + digest="${{ steps.build.outputs.digest }}" + touch "/tmp/digests/${digest#sha256:}" + + - name: Upload digest + uses: actions/upload-artifact@v4 + with: + name: digests-${{ matrix.base-image }}-${{ env.PLATFORM_PAIR }} + path: /tmp/digests/* + if-no-files-found: error + retention-days: 1 + + create-multi-arch-manifest: + runs-on: ubuntu-latest + permissions: + contents: read + packages: write + + strategy: + fail-fast: false + matrix: + base-image: [debian, alpine] + + needs: + - build-image + steps: + - name: Download digests + uses: actions/download-artifact@v4 + with: + path: /tmp/digests + pattern: digests-${{ matrix.base-image }}-* + merge-multiple: true + + - name: Prepare Docker image build + uses: ./.github/workflows/_prepare-image-build.yml + with: + registry: ${{ env.REGISTRY }} + + - name: Extract metadata (tags, labels) for Docker + id: meta + uses: docker/metadata-action@9ec57ed1fcdbf14dcef7dfbe97b2010124a938b7 + with: + images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }} + tags: | + type=ref,event=branch + type=semver,pattern={{version}} + flavor: | + ${{ env.FLAVOR_OPTS }} + + - name: Create multi-arch manifest list and push + working-directory: /tmp/digests + run: | + docker buildx imagetools create $(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \ + $(printf '${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}@sha256:%s ' *)