name: Docker

on:
  push:
    branches:
      - master

jobs:
  push:
    name: Push
    runs-on: ubuntu-20.04

    strategy:
      fail-fast: false

      matrix:
        image:
          - "alpine"
          #- "alpine-install"
          #- "java7"
          #- "java8"
          #- "java9"
          #- "java10"
          #- "java11"
          #- "java12"
          #- "java13"
          #- "java14"
          #- "java15"
          #- "source"
          #- "source-install"

    steps:
      - name: Code Checkout
        uses: actions/checkout@v2

      - name: Install buildx
        uses: docker/setup-buildx-action@v1
        with:
          version: v0.5.1
          buildkitd-flags: --debug

#      - name: Registry Authentication
#        run: |
#          echo "${{ secrets.GITHUB_TOKEN }}" | docker login docker.pkg.github.com -u ${{ github.actor }} --password-stdin

#      - name: Build Image
#        env:
#          IMAGE_ID: docker.pkg.github.com/${{ github.repository }}/${{ matrix.image }}:latest
#        run: |
#          docker buildx build --push --platform=linux/amd64 --tag=$IMAGE_ID ./${{ matrix.image }}

      - name: Set up containerd
        uses: crazy-max/ghaction-setup-containerd@v1

      - name: Build Docker image
        uses: docker/build-push-action@v2
        with:
          context: ./alpine
          file: ./alpine/Dockerfile
          platforms: linux/amd64
          tags: docker.pkg.github.com/${{ github.repository }}/${{ matrix.image }}:latest
          outputs: type=oci,dest=/tmp/image.tar

      - name: Import image in containerd
        run: |
          sudo ctr i import --base-name docker.io/user/app --digests --all-platforms /tmp/image.tar
      - name: Push image with containerd
        run: |
          sudo ctr --debug i push --user "${{ github.actor }}:${{ secrets.GITHUB_TOKEN }}" docker.pkg.github.com/${{ github.repository }}/${{ matrix.image }}:latest