name: Build and Test Docker
on: [push, pull_request]
env:
  CI_IMAGE: gollum-ci-img
jobs:
  build-and-test:
    runs-on: ubuntu-latest
    steps:
      - name: Check Out Repo
        uses: actions/checkout@v2
      - name: Set up Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@v1
      - name: Cache docker layers
        uses: actions/cache@v2
        with:
          path: /tmp/.buildx-cache
          key: ${{ runner.os }}-buildx-${{ github.sha }}
          restore-keys: |
            ${{ runner.os }}-buildx-
      - name: Build
        id: docker_build
        uses: docker/build-push-action@v2
        with:
          context: ./
          file: ./Dockerfile
          builder: ${{ steps.buildx.outputs.name }}
          push: false
          tags: ${{ env.CI_IMAGE }}
          outputs: type=docker
          cache-from: type=local,src=/tmp/.buildx-cache
          cache-to: type=local,dest=/tmp/.buildx-cache
      - name: Image digest
        run: echo ${{ steps.docker_build.outputs.digest }}
      - name: docker state
        run: docker image ls
      - name: Set up Ruby
        uses: ruby/setup-ruby@v1
        with:
          ruby-version: 3.0.0
          bundler-cache: true
      - name: Install Chromedriver
        uses: nanasess/setup-chromedriver@v1
      - run: |
          export DISPLAY=:99
          chromedriver --url-base=/wd/hub &
          sudo Xvfb -ac :99 -screen 0 1280x1024x24 > /dev/null 2>&1 & # optional
      - name: Run gollum from Docker
        run: |
          git clone test/examples/lotr.git /tmp/lotr.git
          RUNNER_TRACKING_ID="" docker run --rm -p 4567:4567 -v /tmp/lotr.git:/wiki -e CI=true ${{ env.CI_IMAGE }} --mathjax --mermaid &
          sleep 10
          netstat -lt
      - name: Run capybara tests against Dockerized instance
        run: "GOLLUM_CAPYBARA_URL=http://127.0.0.1:4567 bundle exec rake test:capybara"