deno-ci.yml

name: CI

on:
  push:
    branches: [ main ]
    tags: [ v* ]
  pull_request: {}

jobs:

  check:
    runs-on: ubuntu-latest
    name: Check w/ ${{ matrix.deno-version }}
    strategy:
      matrix:
        deno-version:
        - v1.43
        - canary
      fail-fast: false # run each branch to completion

    steps:
    - name: Checkout source
      uses: actions/checkout@v3

    - name: Use Deno ${{ matrix.deno-version }}
      uses: denoland/setup-deno@v1
      with:
        deno-version: ${{ matrix.deno-version }}

    # "file" cache: code from source control
    # We're more selective here to prevent cross-branch contamination
    # Disabled for now because https://github.com/denoland/deno/pull/12830
    # - name: Cache file://
    #   uses: actions/cache@v2
    #   with:
    #     path: ~/.cache/deno/gen/file
    #     key: deno/${{ matrix.deno-version }}-file/v1-${{ github.ref }}-${{ github.sha }}
    #     restore-keys: deno/${{ matrix.deno-version }}-file/v1-${{ github.ref }}-

    # "https" cache: code from the Internet
    # External sources won't change much so we use less precise keys
    - name: Cache https://
      uses: actions/cache@v2
      with:
        path: ~/.cache/deno/deps/https
        key: deno-https/v1-${{ hashFiles('**/deps.ts') }}
        restore-keys: deno-https/v1-

    - name: Check entrypoint
      run: time deno check server.ts

    - name: Run any tests
      run: time deno test

  # Push image to GitHub Packages.
  # See also https://docs.docker.com/docker-hub/builds/
  push:
    needs: check
    runs-on: ubuntu-latest
    name: 'Push container image'
    if: github.event_name == 'push'

    steps:
      - uses: actions/checkout@v3

      - name: Log into GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Log into Google Container Registry
        uses: docker/login-action@v3
        with:
          registry: gcr.io
          username: _json_key
          password: ${{ secrets.GCP_SA_KEY }}

      - name: Pull latest image for cache
        run: docker pull ghcr.io/${{ github.repository }}

      - name: Build image
        run: |
          docker build . \
            --cache-from ghcr.io/${{ github.repository }} \
            --file Dockerfile \
            --tag built-image

      - name: Inspect image
        run: docker images built-image

      - name: Push image to GitHub Container Registry
        id: push_ghcr
        run: |
          IMAGE_ID=ghcr.io/${{ github.repository }}
          IMAGE_ID=$(echo $IMAGE_ID | tr '[A-Z]' '[a-z]')
          VERSION=$(echo "${{ github.ref }}" | sed -e 's,.*/\(.*\),\1,')
          [[ "${{ github.ref }}" == "refs/tags/"* ]] && VERSION=$(echo $VERSION | sed -e 's/^v//')
          [ "$VERSION" == "main" ] && VERSION=latest

          docker tag built-image $IMAGE_ID:$VERSION
          docker push $IMAGE_ID:$VERSION

          echo "Pushed $IMAGE_ID:$VERSION"
          echo "::set-output name=docker_image::$IMAGE_ID:$VERSION"

      - name: Push image to Google Container Registry
        id: push_gcr
        run: |
          IMAGE_ID=gcr.io/stardust-156404/deno-module-visualizer
          VERSION=${{ github.sha }}

          docker tag built-image $IMAGE_ID:$VERSION
          docker push $IMAGE_ID:$VERSION

          echo "Pushed $IMAGE_ID:$VERSION"
          echo "::set-output name=docker_image::$IMAGE_ID:$VERSION"

    outputs:
      ghcr_image: ${{ steps.push_ghcr.outputs.docker_image }}
      gcr_image: ${{ steps.push_gcr.outputs.docker_image }}

  deploy:
    needs: push
    runs-on: ubuntu-latest
    name: 'Deploy to live site'
    if: github.ref == 'refs/heads/main'

    steps:
      - name: Log in
        uses: google-github-actions/auth@v1
        with:
          credentials_json: ${{ secrets.GCP_SA_KEY }}

      - name: Deploy to Cloud Run
        uses: google-github-actions/deploy-cloudrun@v1
        with:
          project_id: stardust-156404
          service: deno-module-visualizer
          region: us-central1
          image: ${{ needs.push.outputs.gcr_image }}