Create and publish a Docker image #52

	name: Create and publish a Docker image
	on:
	workflow_run:
	workflows: [ "Rust" ]
	branches: [ "main" ]
	types:
	- completed

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

	jobs:
	build-and-push-image:
	runs-on: ubuntu-latest
	if: ${{ github.event.workflow_run.conclusion == 'success' }}

	permissions:
	contents: read
	packages: write
	attestations: write
	id-token: write

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

	- name: Log in to the Container registry
	uses: docker/login-action@7ca345011ac4304463197fac0e56eab1bc7e6af0
	with:
	registry: ${{ env.REGISTRY }}
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Extract metadata (tags, labels) for Docker
	id: meta
	uses: docker/metadata-action@b53be03109c4ef6f6cc7aa545b84b17a7fe51c1e
	with:
	images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}

	- name: Sync theme submodule
	run: git submodule sync && git submodule update --init --recursive

	- name: Build and push Docker image
	id: push
	uses: docker/build-push-action@8796455d3250bab0b8ea17630e10645c29a1249a
	with:
	context: .
	push: true
	tags: ${{ steps.meta.outputs.tags }}
	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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