pr.yml

name: PR Build

on:
  pull_request:
    branches:
      - main

permissions:
  contents: write
  pull-requests: write

jobs:
  create_matrix:
    uses: ./.github/workflows/create_matrix.yml
    with:
      image_directory: "./images"

  build:
    runs-on: ubuntu-latest
    needs: create_matrix
    strategy:
      matrix:
        image_folder: ${{fromJson(needs.create_matrix.outputs.matrix)}}

    services:
      registry:
        image: registry:2
        ports:
          - 5000:5000

    steps:
      - name: Checkout code
        uses: actions/checkout@v4.1.1

      - name: Set Image Name output
        run: echo "image_name=$(python3 -c "print('${{ matrix.image_folder }}'.split('/')[-1])")" >> $GITHUB_OUTPUT
        id: set_image_name

      - name: Set up Docker
        uses: docker/setup-buildx-action@v3
        with:
          driver-opts: network=host

      - name: Build and push to GHA
        uses: docker/build-push-action@v5
        with:
          context: ${{ matrix.image_folder }}/.
          push: true
          tags: localhost:5000/${{ steps.set_image_name.outputs.image_name }}:latest
          cache-from: type=gha
          cache-to: type=gha,mode=max

      - name: Check build status
        run: docker run --rm localhost:5000/${{ steps.set_image_name.outputs.image_name }}:latest

  dependabot:
    runs-on: ubuntu-latest
    if: github.actor == 'dependabot[bot]'
    needs: build
    steps:
      - name: Dependabot metadata
        id: metadata
        uses: dependabot/fetch-metadata@v2
        with:
          github-token: "${{ secrets.GITHUB_TOKEN }}"
      - name: Enable auto-merge for Dependabot PRs
        if: contains(steps.metadata.outputs.dependency-names, 'docker') && steps.metadata.outputs.update-type == 'version-update:semver-patch'
        run: gh pr merge --auto --merge "$PR_URL"
        env:
          PR_URL: ${{ github.event.pull_request.html_url }}
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}