Merge remote-tracking branch 'upstream/main' into merge-upstream #2

	name: 'Build GitLab CI container (PR)'

	on:
	push:
	paths:
	- docker-contributor/php-config
	- docker-gitlabci/**
	- .github/workflows/build-gitlab-container-PR.yml
	pull_request:
	branches:
	- main
	paths:
	- docker-contributor/php-config
	- docker-gitlabci/**
	- .github/workflows/build-gitlab-container-PR.yml

	jobs:
	pr-gitlab:
	# Stop processing if this is a merge-queue
	# Stop processing if this is not against our repo
	# Always run if this PR is not from our organization
	# Or run if this PR is not `main` (So notQueue && ourRepo && (notPROurOrg \|\| notMain))
	if : ${{ !contains(github.ref, 'gh-readonly-queue') &&
	github.repository == 'domjudge/domjudge-packaging' &&
	!(github.event.pull_request.head.repo.full_name == 'domjudge/domjudge-packaging' && github.ref == 'main') }}
	name: PR GitLab image
	runs-on: ubuntu-latest
	permissions:
	packages: write
	contents: read
	steps:
	- name: Checkout
	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 GitHub Container registry (possibly at fork)
	uses: docker/login-action@v3
	with:
	registry: ghcr.io
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Extract metadata (tags, labels) for Docker
	id: meta
	uses: docker/metadata-action@v5
	with:
	images: ghcr.io/${{ github.repository }}

	- name: Build and push Docker images
	uses: docker/build-push-action@v5
	with:
	context: "./docker-gitlabci"
	push: false
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}

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