name: PR - Docker build test

on:
  pull_request:
    branches:
      - master
    paths:
      - '.github/workflows/docker-test.yml'
      - 'lib/**'
      - '!**/maintainer.js'
      - '!**/radar.js'
      - '!**/radar-rules.js'
      - 'Dockerfile'
      - 'package.json'
      - 'pnpm-lock.yaml'
    types: [opened, reopened, synchronize, edited]
  # Please, always create a pull request instead of push to master.

permissions:
  contents: read
  pull-requests: write

concurrency:
  group: docker-test-${{ github.ref_name }}
  cancel-in-progress: true

jobs:
  test:
    name: Docker build & tests
    runs-on: ubuntu-latest
    timeout-minutes: 15
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Set up Docker Buildx  # needed by `cache-from`
        uses: docker/setup-buildx-action@v3

      - name: Extract Docker metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: rsshub
          flavor: latest=true

      - name: Build Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          build-args: PUPPETEER_SKIP_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

      - name: Pull Request Labeler
        if: ${{ failure() }}
        uses: actions-cool/issues-helper@v3
        with:
          actions: 'add-labels'
          token: ${{ secrets.GITHUB_TOKEN }}
          issue-number: ${{ github.event.pull_request.number }}
          labels: 'Route Test: Failed'

      - 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@v4
        with:
          name: docker-image
          path: rsshub.tar.gz
          retention-days: 1