Add publish workflow badge to readme #5

	name: publish

	on:
	push:
	branches:
	- main
	tags:
	- v*
	workflow_dispatch:

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

	jobs:
	publish:
	runs-on: ubuntu-24.04
	permissions:
	contents: read
	packages: write
	attestations: write
	id-token: write
	steps:
	# https://github.com/actions/checkout
	- name: Checkout repository
	uses: actions/checkout@v4

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

	# https://github.com/docker/metadata-action
	- name: Extract metadata (tags, labels) for Docker
	id: meta
	uses: docker/metadata-action@v5
	with:
	images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
	tags: \|
	type=semver,pattern={{major}}
	type=semver,pattern={{major}}.{{minor}}
	type=semver,pattern={{version}}
	type=raw,value=latest,enable={{is_default_branch}}

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

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

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