Add action to enforce PR policy #54

	name: Build and publish Docker image

	on:
	push:
	branches:
	- dev
	- main
	tags:
	- "v..*"

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

	jobs:
	build-and-push-image:
	runs-on: ubuntu-latest
	permissions:
	contents: read
	packages: write
	steps:
	- name: Checkout code
	uses: actions/checkout@v3
	- name: Setup QEMU
	uses: docker/setup-qemu-action@v2
	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v2
	- name: Login to Container Registry
	uses: docker/login-action@v2
	with:
	registry: ${{ env.REGISTRY }}
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Extract metadata (tags, labels) for Docker
	id: meta
	uses: docker/metadata-action@v4
	with:
	images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
	tags: \|
	# Will publish image tagged `vX.Y.Z` on each release tag
	type=semver,pattern={{version}}
	# Will publish image tagged `edge` on each push to `dev`
	type=edge,branch=dev
	# Will publish image tagged `main` on each push to `main`
	# (this will also generate tag `dev` on each push to `dev`)
	type=ref,event=branch

	- name: Build and push Docker image
	uses: docker/build-push-action@v4
	with:
	context: .
	platforms: linux/amd64,linux/arm64
	push: true
	tags: ${{ steps.meta.outputs.tags }}
	cache-from: type=gha
	cache-to: type=gha,mode=max

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