Prototype #4

	name: Docker Build on PR

	on:
	pull_request:
	types: [opened, synchronize, reopened]
	paths:
	- "src/**"
	- "package.json"
	- "yarn.lock"
	- "tsconfig.json"
	- "Dockerfile"
	- ".dockerignore"
	- "store/**"
	- "source/**"

	env:
	REGISTRY: ghcr.io
	IMAGE_NAME: ${{ github.repository }}

	jobs:
	build-and-push:
	runs-on: ubuntu-latest
	permissions:
	contents: read
	packages: write

	steps:
	- name: Checkout repository
	uses: actions/checkout@v4

	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v3

	- name: Log in to Container Registry
	uses: docker/login-action@v3
	with:
	registry: ${{ env.REGISTRY }}
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Extract metadata
	id: meta
	uses: docker/metadata-action@v5
	with:
	images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
	tags: \|
	type=ref,event=pr
	type=sha,prefix=pr-

	- name: Build and push Docker image
	uses: docker/build-push-action@v5
	with:
	context: .
	push: true
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}
	cache-from: type=gha
	cache-to: type=gha,mode=max

	- name: Set retention policy
	run: \|
	# This is a placeholder for setting retention policy
	# GitHub Container Registry doesn't support direct retention policy via API
	# The retention will be handled by GitHub's built-in retention policies
	echo "Retention policy: PR images will be retained for 7 days"

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