# name: '[docker] CI for build tests'
# https://github.community/t/215358
name: PR - Docker build test

on:
  pull_request:
    branches:
      - master
    paths:
      - 'lib/**'
      - 'Dockerfile'
      - 'package.json'
      - 'yarn.lock'
      - '.github/workflows/docker-test.yml'
  # Please, always create a pull request instead of push to master.

permissions:
  contents: read

jobs:
  test:
    name: Docker build & tests
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: Set up Docker Buildx  # needed by `cache-from`
        uses: docker/setup-buildx-action@v2

      - name: Extract Docker metadata
        id: meta
        uses: docker/metadata-action@v4
        with:
          images: rsshub
          flavor: latest=true

      - name: Build Docker image
        uses: docker/build-push-action@v3
        with:
          context: .
          build-args: PUPPETEER_SKIP_CHROMIUM_DOWNLOAD=0  # also test bundling Chromium
          load: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          platforms: linux/amd64  # explicit
          cache-from: |
            type=registry,ref=${{ secrets.DOCKER_USERNAME }}/rsshub:chromium-bundled
            type=gha,scope=docker-release
          # ! build on amd64 is fast enough, and cache between PRs never hit, so never waste the 10GB cache limit !
          # cache-from: |
          #   type=gha,scope=docker-test
          #   type=gha,scope=docker-release
          # cache-to: type=gha,mode=max,scope=docker-test

      - name: Test Docker image
        run: bash scripts/docker/test-docker.sh

      - name: Export Docker image
        run: docker save rsshub:latest | gzip -1cf > rsshub.tar.gz

      - name: Upload Docker image
        uses: actions/upload-artifact@v3
        with:
          name: docker-image
          path: rsshub.tar.gz
          retention-days: 1