shelfmark/.github/workflows/build-and-publish-docker-image.yml

name: Create and publish Docker images
on:
  push:
    tags:
      - 'v*'
  # Also dispatched on main by dev-image-debounce.yml, once main has been
  # quiet for an hour, to publish the dev image.
  workflow_dispatch:
permissions: read-all

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository_owner }}/shelfmark
jobs:
  build-and-push-images:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
      attestations: write
      id-token: write
    strategy:
      matrix:
        include:
          - target: shelfmark
          - target: shelfmark-lite
            image_name_suffix: "-lite"
    steps:
      - name: Get current date
        id: date
        run: echo "date=$(date +'%Y-%m-%d')" >> $GITHUB_OUTPUT

      - name: Checkout repository
        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0

      - name: Log in to the Container registry
        uses: docker/login-action@dbcb813823bdd20940b903addbd779551569679f # v4.6.0
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata for ${{ matrix.target }} image
        id: meta
        uses: docker/metadata-action@dc802804100637a589fabce1cb79ff13a1411302 # v6.2.0
        env:
          # Annotate both the per-platform manifests and the multi-arch image
          # index. The index level is what manifest-list consumers (Renovate's
          # minimumReleaseAge soak check, provenance/SBOM tooling) read for the
          # standard org.opencontainers.image.* annotations, including `created`.
          DOCKER_METADATA_ANNOTATIONS_LEVELS: index,manifest
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}${{ matrix.image_name_suffix }}
          tags: |
            type=raw,value=dev,enable={{is_default_branch}}
            type=raw,value=latest,enable=${{ startsWith(github.ref, 'refs/tags/') }}
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=sha
            type=ref,event=tag

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@594f3bf4285d9ea8dc53c9a0c9c4092420091003 # v4.4.0

      - name: Build and push ${{ matrix.target }} Docker image
        id: push
        uses: docker/build-push-action@c3c9e263c25d99ce0380d002d59b67737d91b0dc # v7.4.0
        with:
          platforms: linux/amd64,linux/arm64
          context: .
          target: ${{ matrix.target }}
          push: ${{ github.event_name != 'pull_request' }}
          build-args: |
            BUILD_VERSION=${{ steps.date.outputs.date }}-${{ github.sha }}
            RELEASE_VERSION=${{ github.ref_name }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          annotations: ${{ steps.meta.outputs.annotations }}

      - name: Generate artifact attestation for ${{ matrix.target }} image
        if: github.event_name != 'pull_request'
        uses: actions/attest-build-provenance@4d101475d8b20a2381f78447822ac1eab6504dd8 # v4.2.2
        with:
          subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}${{ matrix.image_name_suffix }}
          subject-digest: ${{ steps.push.outputs.digest }}
          push-to-registry: true

  # Create aliases for backwards compatibility
  create-aliases:
    needs: build-and-push-images
    runs-on: ubuntu-latest
    if: github.event_name != 'pull_request'
    permissions:
      contents: read
      packages: write
    env:
      # Legacy name for backwards compatibility (hardcoded so it works after rename)
      LEGACY_NAME: calibre-web-automated-book-downloader
    steps:
      - name: Log in to registry
        uses: docker/login-action@dbcb813823bdd20940b903addbd779551569679f # v4.6.0
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@594f3bf4285d9ea8dc53c9a0c9c4092420091003 # v4.4.0

      - name: Create legacy aliases
        run: |
          # Current image names (follows repo name)
          STANDARD="${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}"
          LITE="${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}-lite"

          # Legacy image names (hardcoded for backwards compatibility)
          LEGACY="${{ env.REGISTRY }}/${{ github.repository_owner }}/${{ env.LEGACY_NAME }}"
          LEGACY_TOR="${LEGACY}-tor"
          LEGACY_EXTBP="${LEGACY}-extbp"

          SHA_SHORT=$(echo "${{ github.sha }}" | cut -c1-7)

          # Helper function to create alias with all standard tags
          create_alias() {
            local SOURCE=$1
            local ALIAS=$2

            # Always create SHA tag
            docker buildx imagetools create -t "${ALIAS}:sha-${SHA_SHORT}" "${SOURCE}:sha-${SHA_SHORT}"

            if [[ "${{ github.ref }}" == refs/tags/v* ]]; then
              VERSION="${{ github.ref_name }}"
              VERSION_NUM="${VERSION#v}"
              MINOR="${VERSION_NUM%.*}"

              docker buildx imagetools create -t "${ALIAS}:latest" "${SOURCE}:latest"
              docker buildx imagetools create -t "${ALIAS}:${VERSION_NUM}" "${SOURCE}:${VERSION_NUM}"
              docker buildx imagetools create -t "${ALIAS}:${MINOR}" "${SOURCE}:${MINOR}"
              docker buildx imagetools create -t "${ALIAS}:${VERSION}" "${SOURCE}:${VERSION}"
            else
              docker buildx imagetools create -t "${ALIAS}:dev" "${SOURCE}:dev"
            fi
          }

          # Create legacy aliases pointing to current images
          # calibre-web-automated-book-downloader → standard image
          create_alias "${STANDARD}" "${LEGACY}"

          # calibre-web-automated-book-downloader-tor → standard image
          create_alias "${STANDARD}" "${LEGACY_TOR}"

          # calibre-web-automated-book-downloader-extbp → lite image
          create_alias "${LITE}" "${LEGACY_EXTBP}"