name:                                               Publish images to Docker hub

on:
  push:
    tags:
      - v*
    paths-ignore:
      - '**/README.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
    container:
      image:                                        docker:git
    steps:
      - name:                                       Cancel Previous Runs
        uses:                                       styfle/cancel-workflow-action@0.4.1
        with:
          access_token:                             ${{ github.token }}
      - name:                                       Checkout sources & submodules
        uses:                                       actions/checkout@master
        with:
          fetch-depth:                              5
          submodules:                               recursive
      - name:                                       Set vars
        id:                                         vars
        run:                                        |
          echo ::set-output name=DATE::$(date +%d-%m-%Y)
          if [[ ${GITHUB_REF} = refs/tags/* ]]
          then
            echo ::set-output name=TAG::${GITHUB_REF#refs/tags/}
          else
            echo ::set-output name=TAG::nightly-$(date +%d-%m-%Y)
          fi
      - name:                                       Build and push ${{ matrix.project }}
        uses:                                       docker/build-push-action@v1
        with:
          username:                                 ${{ secrets.DOCKER_USER }}
          password:                                 ${{ secrets.DOCKER_PASSWORD }}
          repository:                               paritytech/${{ matrix.project }}
          build_args:                               PROJECT=${{ matrix.project }}, HEALTH=${{ matrix.healthcheck }}
          tags:                                     ${{ steps.vars.outputs.TAG }}, latest
          labels:
            org.opencontainers.image.created=${{ steps.vars.outputs.DATE }},
            org.opencontainers.image.source="https://github.com/paritytech/parity-bridges-common",
            org.opencontainers.image.authors="devops-team@parity.io",
            org.opencontainers.image.vendor="Parity Technologies",
            org.opencontainers.image.url="https://github.com/paritytech/parity-bridges-common",
            org.opencontainers.image.documentation="https://github.com/paritytech/parity-bridges-common/README.md",
            org.opencontainers.image.version=${{ steps.vars.outputs.TAG }},
            org.opencontainers.image.title=${{ matrix.project }},
            org.opencontainers.image.description="${{ matrix.project }} - component of Parity Bridges Common",
            org.opencontainers.image.licenses="GPL-3.0 License"
          add_git_labels:                           true