build-gitlab-container-release.yml

name: 'Build GitLab CI container (Accepted)'

on:
  push:
    branches:
      - main
jobs:
  build-gitlab:
    if: ${{ github.repository == domjudge/domjudge-packaging && github.ref == main }} 
    name: Build GitLab image
    runs-on: ubuntu-latest
    permissions:
      packages: write
      contents: read
    steps:
      - uses: actions/checkout@v4

      - name: Use the same PHP config as the contributor containers
        run: cp -r docker-{contributor,gitlabci}/php-config

      - name: Log in to Docker Container registry
        if: github.ref == 'refs/heads/main'
        uses: docker/login-action@65b78e6e13532edd9afa3aa52ac7964289d1a9c1
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@9ec57ed1fcdbf14dcef7dfbe97b2010124a938b7
        with:
          images: domjudge/gitlabci

      - name: Build and push Docker images
        uses: docker/build-push-action@3b5e8027fcad23fda98b2e3ac259d8d67585f671
        with:
          context: "./docker-gitlabci" 
          push: true
          tags: "domjudge/gitlabci:22.04"
          labels: ${{ steps.meta.outputs.labels }}