container.yml

name: Docker Image CI

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

env:
  REGISTRY_IMAGE: ghcr.io/${{ github.repository }}

on:
  push:
  release:
    types:
      - created

#jobs:
#  build-release:
#    if: "!github.event.release.prerelease"
#    runs-on: ubuntu-latest
#    strategy:
#      fail-fast: false
#      matrix:
#        platform:
#          - linux/amd64
#          - linux/arm64
#
#    # See https://docs.docker.com/build/ci/github-actions/multi-platform/#distribute-build-across-multiple-runners
#    steps:
#      - uses: actions/checkout@v4
#
#      - name: Log in to registry
#        run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u ${{ github.actor }} --password-stdin
#
#      - name: Get Previous tag
#        id: previoustag
#        uses: "WyriHaximus/github-action-get-previous-tag@v1"
#        with:
#          fallback: v0.1
#
#      - name: Set up Docker Buildx
#        id: buildx
#        uses: docker/setup-buildx-action@v3
#
#      - name: Build and push
#        id: docker_build
#        uses: docker/build-push-action@v6
#        with:
#          push: true
#          context: .
#          target: target
#          file: ./Dockerfile
#          cache-from: type=gha
#          cache-to: type=gha,mode=max
#          platforms: ${{ matrix.platform }}
#          build-args: VITE_BUILD_ID="Github Actions"
#          tags:
#            ${{ env.REGISTRY_IMAGE }}:latest, ${{ env.REGISTRY_IMAGE }}:${{ steps.previoustag.outputs.tag }}

jobs:
  build:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: true
      matrix:
        platform:
          - linux/amd64
          - linux/arm64
    steps:
      - 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_IMAGE }}

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Log in to registry
        run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u ${{ github.actor }} --password-stdin

      - name: Build and push by digest
        id: build
        uses: docker/build-push-action@v6
        with:
          platforms: ${{ matrix.platform }}
          labels: ${{ steps.meta.outputs.labels }}
          outputs: type=image,name=${{ env.REGISTRY_IMAGE }},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-${{ env.PLATFORM_PAIR }}
          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
        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 }}

      - name: Log in to registry
        run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u ${{ github.actor }} --password-stdin

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