redsunlib/.github/workflows/main-docker.yml

name: Container build

on:
  workflow_run:
    workflows: ["Release Build"]
    types:
      - completed
env:
  REGISTRY_IMAGE: quay.io/redlib/redlib

jobs:
  build:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        include:
          - { platform: linux/amd64, target: x86_64-unknown-linux-musl}
          - { platform: linux/arm64, target: aarch64-unknown-linux-musl}
          - { platform: linux/arm/v7, target: armv7-unknown-linux-musleabihf}
    steps:
      -
        name: Checkout
        uses: actions/checkout@v4
      -
        name: Docker meta
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY_IMAGE }}
          tags: |
            type=sha
            type=raw,value=latest,enable={{is_default_branch}}
      -
        name: Set up QEMU
        uses: docker/setup-qemu-action@v3
      -
        name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
      -
        name: Login to Quay.io Container Registry
        uses: docker/login-action@v3
        with:
          registry: quay.io
          username: ${{ secrets.QUAY_USERNAME }}
          password: ${{ secrets.QUAY_ROBOT_TOKEN }}
      -
        name: Build and push
        id: build
        uses: docker/build-push-action@v5
        with:
          context: .
          platforms: ${{ matrix.platform }}
          labels: ${{ steps.meta.outputs.labels }}
          outputs: type=image,name=${{ env.REGISTRY_IMAGE }},push-by-digest=true,name-canonical=true,push=true
          file: Dockerfile
          build-args: TARGET=${{ matrix.target }}
      -
        name: Export digest
        run: |
          mkdir -p /tmp/digests
          digest="${{ steps.build.outputs.digest }}"
          touch "/tmp/digests/${digest#sha256:}"
      -
        name: Upload digest
        uses: actions/upload-artifact@v4
        with:
          name: digests-${{ matrix.target }}
          path: /tmp/digests/*
          if-no-files-found: error
          retention-days: 1
  merge:
    runs-on: ubuntu-latest
    needs:
      - build
    steps:
      -
        name: Download digests
        uses: actions/download-artifact@v4.1.7
        with:
          path: /tmp/digests
          pattern: digests-*
          merge-multiple: true
          
      -
        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_IMAGE }}
          tags: |
            type=sha
            type=raw,value=latest,enable={{is_default_branch}}
      -
        name: Login to Quay.io Container Registry
        uses: docker/login-action@v3
        with:
          registry: quay.io
          username: ${{ secrets.QUAY_USERNAME }}
          password: ${{ secrets.QUAY_ROBOT_TOKEN }}
      -
        name: Create 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_IMAGE }}@sha256:%s ' *)

      - name: Push README to Quay.io
        uses: christian-korneck/update-container-description-action@v1
        env:
          DOCKER_APIKEY: ${{ secrets.APIKEY__QUAY_IO }}
        with:
          destination_container_repo: quay.io/redlib/redlib
          provider: quay
          readme_file: 'README.md'

      -
        name: Inspect image
        run: |
          docker buildx imagetools inspect ${{ env.REGISTRY_IMAGE }}:${{ steps.meta.outputs.version }}