Create and publish a Docker image #3

	name: Create and publish a Docker image

	on:
	release:
	types:
	- published

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

	jobs:
	build-and-push-image:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout repository
	uses: actions/checkout@v4
	with:
	submodules: recursive
	fetch-dpth: 0
	fetch-tags: true
	- name: Compute SemVer from Tags and Commits
	id: version
	run: \|
	echo "VERSION=$(${PWD}/.version/calculate-version.sh \| sed -e 's/+/--/')"
	echo "VERSION=$(${PWD}/.version/calculate-version.sh \| sed -e 's/+/--/')" >> $GITHUB_OUTPUT
	- 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
	id: push
	uses: docker/build-push-action@v6
	with:
	context: .
	push: true
	tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest,${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ steps.version.outputs.VERSION }}
	labels: ${{ steps.meta.outputs.labels }}

	- name: Generate artifact attestation
	uses: actions/attest-build-provenance@v2
	with:
	subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME}}
	subject-digest: ${{ steps.push.outputs.digest }}
	push-to-registry: true

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