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@v2

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2

      - name: Login to Docker Hub
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}

      - name: Get version
        id: version
        run: echo "::set-output name=version::$(jq -r .version package.json)"

      - name: Download release artifacts
        uses: robinraju/release-downloader@v1.3
        with:
          repository: "coder/code-server"
          tag: v${{ steps.version.outputs.version }}
          fileName: "*"
          out-file-path: "release-packages"

      - name: Publish to Docker
        run: yarn publish:docker
        env:
          GITHUB_TOKEN: ${{ github.token }}