name: Publish on Docker

on:
  # Shows the manual trigger in GitHub UI
  # helpful as a back-up in case the GitHub Actions Workflow fails
  workflow_dispatch:

  release:
    types:
      - released

# Cancel in-progress runs for pull requests when developers push
# additional changes, and serialize builds in branches.
# https://docs.github.com/en/actions/using-jobs/using-concurrency#example-using-concurrency-to-cancel-any-in-progress-job-or-run
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: ${{ github.event_name == 'pull_request' }}

jobs:
  docker-images:
    runs-on: ubuntu-20.04
    steps:
      - name: Checkout
        uses: actions/checkout@v3

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

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

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

      - name: Run ./ci/steps/docker-buildx-push.sh
        run: ./ci/steps/docker-buildx-push.sh
        env:
          GITHUB_TOKEN: ${{ github.token }}