Build and publish a Docker image #173

	name: Build and publish a Docker image
	on:
	workflow_dispatch:
	push:
	tags:
	- 'v*'
	schedule:
	- cron: "10 2 * * 1" # needed because auto_release doesn't trigger tags
	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 repository
	uses: actions/checkout@v4

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

	- name: Extract metadata (tags, labels) for Docker
	id: meta
	uses: docker/metadata-action@v5
	with:
	images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}

	- name: Build and push Docker image
	uses: docker/build-push-action@v6
	with:
	context: .
	push: true
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}

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