name:                              Publish images to Docker hub

on:
  push:
    tags:
      - v*
    paths-ignore:
      - '**.md'
      - diagrams/*
      - docs/*
  schedule:                        # Nightly build
    - cron:                        '0 1 * * *'

jobs:
                                   ## Publish to Docker hub
  publish:
    name:                          Publishing
    strategy:
      matrix:
        project:
          - rialto-bridge-node
          - millau-bridge-node
          - ethereum-poa-relay
          - substrate-relay
        include:
          - project: rialto-bridge-node
            healthcheck: http://localhost:9933/health
          - project: millau-bridge-node
            healthcheck: http://localhost:9933/health
          - project: ethereum-poa-relay
            healthcheck: http://localhost:9616/metrics
          - project: substrate-relay
            healthcheck: http://localhost:9616/metrics

    runs-on:                       ubuntu-latest
    steps:

      - name:                      Cancel Previous Runs
        uses:                      styfle/cancel-workflow-action@0.4.1
        with:
          access_token:            ${{ github.token }}

      - name:                      Checkout sources & submodules
        uses:                      actions/checkout@v2
        with:
          fetch-depth:             5
          submodules:              recursive

      - name: Prepare
        id: prep
        run: |
          if [[ $GITHUB_REF == refs/tags/* ]]; then
            VERSION=${GITHUB_REF#refs/tags/}
          elif [[ $GITHUB_REF == refs/heads/* ]]; then
            VERSION=$(echo ${GITHUB_REF#refs/heads/} | sed -r 's#/+#-#g')
          fi
          TAGS="${VERSION} sha-${GITHUB_SHA::8} latest"
          echo ::set-output name=TAGS::${VERSION}
          echo ::set-output name=TAGS::${TAGS}
          echo ::set-output name=DATE::$(date +%d-%m-%Y)

      - name: Workaround rootless build
        run: |
          sudo apt-get install fuse-overlayfs
          mkdir -vp ~/.config/containers
          printf "[storage.options]\nmount_program=\"/usr/bin/fuse-overlayfs\"" > ~/.config/containers/storage.conf

      - name:                                       Build image for ${{ matrix.project }}
        uses:                                       redhat-actions/buildah-build@v2.2
        with:
          image:                                    ${{ matrix.project }}
          tags:                                     ${{ steps.prep.outputs.TAGS }}
          dockerfiles:                              ./Dockerfile
          build-args: |
            PROJECT=${{ matrix.project }}
            HEALTH=${{ matrix.healthcheck }}
            VCS_REF=sha-${GITHUB_SHA::8}
            BUILD_DATE=${{ steps.prep.outputs.DATE }}
            VERSION=${{ steps.prep.outputs.VERSION }}

      - name:                                       Push ${{ matrix.project }} image to docker.io
        id:                                         push-to-dockerhub
        uses:                                       redhat-actions/push-to-registry@v2.1.1
        with:
          registry:                                 docker.io/paritytech
          image:                                    ${{ matrix.project }}
          tags:                                     ${{ steps.prep.outputs.TAGS }}
          username:                                 ${{ secrets.DOCKER_USER }}
          password:                                 ${{ secrets.DOCKER_PASSWORD }}

      - name:                                       Check the image
        run: |
          echo "New image has been pushed to ${{ steps.push-to-dockerhub.outputs.registry-path }}"