name: docker build
on:
  release:
    types:
      - released
  workflow_dispatch:
    inputs:
      branch:
        description: 'Select branch'
        required: true
        type: choice
        options:
        - master
        - develop
        - testing
      tag:
        description: 'Add a tag'
  push:
    branches:
      - develop
      - testing
    paths-ignore:
        - '.github/**'
jobs:
  build-and-push-it-to-the-limit:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        architecture: [linux-arm-v7,linux-arm64,linux-amd64]
    steps:
      - name: checkout
        uses: actions/checkout@v2
        with:
          fetch-depth: 0
      - name: Prepare
        id: prep
        run: |
          ARCHITECTURE=${{ matrix.architecture }}
          echo ::set-output name=created::$(date -u +'%Y-%m-%dT%H:%M:%SZ')
          echo ::set-output name=title::${GITHUB_REPOSITORY,,}:${{ github.ref_name }}
          echo ::set-output name=revision::${GITHUB_SHA}
          echo ::set-output name=source::${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY,,}/tree/${{ github.ref_name }}
          echo ::set-output name=vendor::${{ github.repository_owner }}
          echo ::set-output name=url::${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY,,}/blob/master/README.md
          echo ::set-output name=VERSION::${{ github.event.release.tag_name }}
          echo ::set-output name=platform::${ARCHITECTURE//-/\/}
          echo ::set-output name=cache::${GITHUB_REPOSITORY,,}:${{ github.ref_name }}-cache-${{ matrix.architecture }}
          echo ::set-output name=tag::${GITHUB_REPOSITORY,,}:${{ github.ref_name }}-${GITHUB_SHA:0:7}-${GITHUB_RUN_NUMBER}-${{ matrix.architecture }}
          echo ::set-output name=release::${{ github.event.release.target_commitish }}

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v1

      - name: Set up Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@v1

      - name: Login to GitHub Container Registry
        uses: docker/login-action@v1
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GH_PAT }}

      - name: Login to Docker Hub
        uses: docker/login-action@v1
        with:
          username: ${{ secrets.DH_USER }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: build&push
        uses: docker/build-push-action@v2
        with:
          push: ${{ github.event_name != 'pull_request' }}
          platforms: ${{ steps.prep.outputs.platform }}
          file: ./${{ matrix.architecture }}.Dockerfile
          cache-from: docker.io/${{ steps.prep.outputs.cache }}
          cache-to: docker.io/${{ steps.prep.outputs.cache }}
          tags: |
            docker.io/${{ steps.prep.outputs.tag }}
            ghcr.io/${{ steps.prep.outputs.tag }}
          labels: |
            org.opencontainers.image.created=${{ steps.prep.outputs.created }}
            org.opencontainers.image.title=${{ steps.prep.outputs.title }}
            org.opencontainers.image.revision=${{ steps.prep.outputs.revision }}
            org.opencontainers.image.source=${{ steps.prep.outputs.source }}
            org.opencontainers.image.vendor=${{ steps.prep.outputs.vendor }}
            org.opencontainers.image.url=${{ steps.prep.outputs.url }}
            org.opencontainers.image.version=${{ steps.prep.outputs.VERSION }}
          build-args: |
            TP_RELEASE=${{ steps.prep.outputs.VERSION }}
            BUILD_DATE=${{ steps.date_time.outputs.created }}
            BUILD_ARCHITECTURE=${{ matrix.architecture }}

  publish:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        registry: [docker.io, ghcr.io]
    needs: [build-and-push-it-to-the-limit]
    steps:
      - name: Checkout
        uses: actions/checkout@v2

      - name: Login to DockerHub
        if: matrix.registry == 'docker.io'
        uses: docker/login-action@v1
        with:
          registry: docker.io
          username: ${{ secrets.DH_USER }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Login to GitHub Container Registry
        if: matrix.registry == 'ghcr.io'
        uses: docker/login-action@v1
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GH_PAT }}

      - name: Create manifests
        env:
          DOCKER_CLI_EXPERIMENTAL: enabled
        run: |
          IMAGE=${{ matrix.registry }}/${GITHUB_REPOSITORY,,}
          TAG=${{ github.ref_name }}
          SOURCE=${IMAGE}:${TAG}-${GITHUB_SHA:0:7}-${GITHUB_RUN_NUMBER}
          VERSION=${{ steps.prep.outputs.VERSION }}
          [[ -f linux-amd64.Dockerfile ]]  && AMD64=${SOURCE}-linux-amd64
          [[ -f linux-arm64.Dockerfile ]]  && ARM64=${SOURCE}-linux-arm64
          [[ -f linux-arm-v7.Dockerfile ]] && ARMV7=${SOURCE}-linux-arm-v7
          docker manifest create ${IMAGE}:${TAG} ${AMD64} ${ARM64} ${ARMV7}
          docker manifest push ${IMAGE}:${TAG}
          docker manifest create ${IMAGE}:${TAG}-${GITHUB_SHA:0:7} ${AMD64} ${ARM64} ${ARMV7}
          docker manifest push ${IMAGE}:${TAG}-${GITHUB_SHA:0:7}
      - name: Latest manifest
        if: ${{ github.event.release.target_commitish == 'master' }}
        env:
          DOCKER_CLI_EXPERIMENTAL: enabled
        run: |
          IMAGE=${{ matrix.registry }}/${GITHUB_REPOSITORY,,}
          TAG=${{ github.ref_name }}
          SOURCE=${IMAGE}:${TAG}-${GITHUB_SHA:0:7}-${GITHUB_RUN_NUMBER}
          [[ -f linux-amd64.Dockerfile ]] && AMD64=${SOURCE}-linux-amd64
          [[ -f linux-arm64.Dockerfile ]] && ARM64=${SOURCE}-linux-arm64
          [[ -f linux-arm-v7.Dockerfile ]] && ARMV7=${SOURCE}-linux-arm-v7
          docker manifest create ${IMAGE}:latest ${AMD64} ${ARM64} ${ARMV7}
          docker manifest push ${IMAGE}:latest