WIP: Build with buildx backend #48
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| name: Release multi-arch container image | |
| on: | |
| workflow_dispatch: | |
| push: | |
| branches: | |
| - main | |
| - "test/**" | |
| schedule: | |
| - cron: "0 0 * * *" # Run every day at 00:00 UTC. | |
| env: | |
| REGISTRY: ghcr.io/${{ github.repository_owner }} | |
| REGISTRY_USER: ${{ github.actor }} | |
| REGISTRY_PASSWORD: ${{ github.token }} | |
| IMAGE_NAME: dangerzone/dangerzone | |
| jobs: | |
| build: | |
| runs-on: ubuntu-latest | |
| strategy: | |
| fail-fast: false | |
| matrix: | |
| platform: | |
| - linux/amd64 | |
| - linux/arm64 | |
| steps: | |
| - uses: actions/checkout@v4 | |
| - name: Get current date | |
| id: date | |
| run: echo "date=$(date +'%Y%m%d')" >> $GITHUB_OUTPUT | |
| - name: Prepare | |
| run: | | |
| platform=${{ matrix.platform }} | |
| echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV | |
| - name: Docker meta | |
| id: meta | |
| uses: docker/metadata-action@v5 | |
| with: | |
| images: | | |
| ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }} | |
| - name: Login to GHCR | |
| uses: docker/login-action@v3 | |
| with: | |
| registry: ghcr.io | |
| username: ${{ github.repository_owner }} | |
| password: ${{ secrets.GITHUB_TOKEN }} | |
| - name: Set up QEMU | |
| uses: docker/setup-qemu-action@v3 | |
| - name: Set up Docker Buildx | |
| uses: docker/setup-buildx-action@v3 | |
| - name: Build and push by digest | |
| id: build | |
| uses: docker/build-push-action@v6 | |
| with: | |
| context: ./dangerzone/ | |
| file: Dockerfile | |
| build-args: | | |
| DEBIAN_ARCHIVE_DATE=${{ steps.date.outputs.date }} | |
| # Remove potentially incorrect Docker provenance that cannot be | |
| # reproduced. | |
| provenance: false | |
| platforms: ${{ matrix.platform }} | |
| 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 ${{ runner.temp }}/digests | |
| digest="${{ steps.build.outputs.digest }}" | |
| touch "${{ runner.temp }}/digests/${digest#sha256:}" | |
| - name: Upload digest | |
| uses: actions/upload-artifact@v4 | |
| with: | |
| name: digests-${{ env.PLATFORM_PAIR }} | |
| path: ${{ runner.temp }}/digests/* | |
| if-no-files-found: error | |
| retention-days: 1 | |
| merge: | |
| runs-on: ubuntu-latest | |
| needs: | |
| - build | |
| outputs: | |
| digest: ${{ steps.image.outputs.digest }} | |
| image: ${{ steps.image.outputs.image }} | |
| steps: | |
| - uses: actions/checkout@v4 | |
| with: | |
| fetch-depth: 0 | |
| - name: Compute image tag | |
| id: tag | |
| run: | | |
| DATE=$(date +'%Y%m%d') | |
| TAG=$(git describe --long --first-parent | tail -c +2) | |
| echo "tag=${DATE}-${TAG}" >> $GITHUB_OUTPUT | |
| - name: Download digests | |
| uses: actions/download-artifact@v4 | |
| with: | |
| path: ${{ runner.temp }}/digests | |
| pattern: digests-* | |
| merge-multiple: true | |
| - name: Login to GHCR | |
| uses: docker/login-action@v3 | |
| with: | |
| registry: ghcr.io | |
| username: ${{ github.repository_owner }} | |
| password: ${{ secrets.GITHUB_TOKEN }} | |
| - name: Set up Docker Buildx | |
| uses: docker/setup-buildx-action@v3 | |
| #- name: Docker meta | |
| # id: meta | |
| # uses: docker/metadata-action@v5 | |
| # with: | |
| # images: | | |
| # ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }} | |
| # tags: | | |
| # type=ref,event=branch | |
| # type=ref,event=pr | |
| # type=semver,pattern={{version}} | |
| # type=semver,pattern={{major}}.{{minor}} | |
| - name: Create manifest list and push | |
| working-directory: ${{ runner.temp }}/digests | |
| run: | | |
| IMAGE=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ steps.tag.outputs.tag }} | |
| DIGESTS=$(printf '${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}@sha256:%s ' *) | |
| docker buildx imagetools create -t ${IMAGE} ${DIGESTS} | |
| - name: Inspect image | |
| id: image | |
| run: | | |
| # NOTE: Set the image as an output because the `env` context is not | |
| # available to the inputs of a reusable workflow call. | |
| image_name="${REGISTRY}/${IMAGE_NAME}" | |
| echo "image=$image_name" >> "$GITHUB_OUTPUT" | |
| docker buildx imagetools inspect ${image_name}:${{ steps.tag.outputs.tag }} | |
| digest=$(docker buildx imagetools inspect ${image_name}:${{ steps.tag.outputs.tag }} --format "{{json .Manifest}}" | jq -r '.digest') | |
| echo "digest=$digest" >> "$GITHUB_OUTPUT" | |
| # This step calls the container workflow to generate provenance and push it to | |
| # the container registry. | |
| provenance: | |
| needs: | |
| - merge | |
| permissions: | |
| actions: read # for detecting the Github Actions environment. | |
| id-token: write # for creating OIDC tokens for signing. | |
| packages: write # for uploading attestations. | |
| uses: slsa-framework/slsa-github-generator/.github/workflows/generator_container_slsa3.yml@v2.0.0 | |
| with: | |
| digest: ${{ needs.merge.outputs.digest }} | |
| image: ${{ needs.merge.outputs.image }} | |
| registry-username: ${{ github.actor }} | |
| secrets: | |
| registry-password: ${{ secrets.GITHUB_TOKEN }} |