name: Docker

on:
  push:
    branches: [ main ]
    paths-ignore:
      - '**.md'
      - 'demo/**'
      - 'docs/**'
      - 'homebrew-formula/**'
  pull_request:
    branches: [ main ]
    paths-ignore:
      - '**.md'
      - 'demo/**'
      - 'docs/**'
      - 'homebrew-formula/**'
  release:
    types: [ published ]
  workflow_dispatch:

jobs:
  docker:
    # Don't change this name - it is used by the merge protection rules
    name: Build ${{ matrix.platform }} docker image
    strategy:
      fail-fast: true
      matrix:
        include:
          - platform: linux/amd64
            file: Dockerfile
        # Arm64 does not publish properly, see #655
        # - platform: linux/arm64
        #   file: arm64.Dockerfile

    runs-on: ubuntu-latest
    steps:

      - name: Checkout sources
        uses: actions/checkout@v3

      # https://github.com/docker/metadata-action
      - name: Docker meta
        id: docker_meta
        uses: docker/metadata-action@v4
        with:
          images: ghcr.io/maplibre/martin

      # # https://github.com/docker/setup-qemu-action
      # - name: Set up QEMU
      #   uses: docker/setup-qemu-action@v2.1.0
      #   with:
      #     platforms: linux/arm64,linux/amd64

      # https://github.com/docker/setup-buildx-action
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2.9.1
        with:
          install: true
          # platforms: ${{ matrix.platform }}

      - name: Build the Docker image
        id: docker_build
        uses: docker/build-push-action@v4
        with:
          file: ${{ matrix.file }}
          push: false
          load: true
          tags: ${{ steps.docker_meta.outputs.tags }}
          labels: ${{ steps.docker_meta.outputs.labels }}
          # platforms: ${{ matrix.platform }}

      - name: Start postgres
        # arm64 testing cannot be tested in a cross-platform env
        if: matrix.platform == 'linux/amd64'
        uses: nyurik/action-setup-postgis@v1
        id: pg
        with:
          username: test
          password: test
          database: test
          rights: --superuser

      - name: Init database
        # arm64 testing cannot be tested in a cross-platform env
        if: matrix.platform == 'linux/amd64'
        shell: bash
        run: tests/fixtures/initdb.sh
        env:
          DATABASE_URL: ${{ steps.pg.outputs.connection-uri }}

      - name: Test Docker image
        # arm64 testing cannot be tested in a cross-platform env
        if: matrix.platform == 'linux/amd64'
        run: |
          TAG=$(echo '${{ steps.docker_meta.outputs.json }}' | jq -r '.tags[0]')
          export MBTILES_BUILD=-
          export MBTILES_BIN=-
          export MARTIN_BUILD=-
          export MARTIN_BIN="docker run --rm --net host -e DATABASE_URL -v $PWD/tests:/tests $TAG"
          echo "MARTIN_BIN=$MARTIN_BIN"
          tests/test.sh
        env:
          DATABASE_URL: ${{ steps.pg.outputs.connection-uri }}

      - name: Login to GitHub Docker registry
        uses: docker/login-action@v2
        if: ${{ github.actor != 'dependabot[bot]' && !github.event.pull_request.head.repo.fork }}
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Push the Docker image
        if: ${{ github.actor != 'dependabot[bot]' && github.event_name != 'pull_request' }}
        uses: docker/build-push-action@v4
        with:
          file: ${{ matrix.file }}
          push: true
          tags: ${{ steps.docker_meta.outputs.tags }}
          labels: ${{ steps.docker_meta.outputs.labels }}
          # platforms: ${{ matrix.platform }}