Initial release patch 1 #3

	name: Publish Docker Image

	on:
	release:
	types: [published]

	env:
	REGISTRY: ghcr.io
	IMAGE_REPOSITORY: ghcr.io/DiamondLightSource/visr-ui

	jobs:
	docker-build:
	runs-on: ubuntu-latest

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

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

	- name: Log in to GitHub 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.IMAGE_REPOSITORY }}
	tags: \|
	type=semver,pattern={{version}}

	- name: Build and push Docker image
	id: push
	uses: docker/build-push-action@v5
	with:
	context: .
	push: true
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}

	- name: Generate artifact attestation
	uses: actions/attest-build-provenance@v1
	with:
	subject-name: ${{ env.IMAGE_REPOSITORY }}
	subject-digest: ${{ steps.push.outputs.digest }}
	push-to-registry: true

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