🐳 add a CI job to publish docker images #1

	name: Publish Docker image

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

	jobs:
	push_to_registry:
	name: Push Docker image to Docker Hub
	runs-on: ubuntu-latest
	permissions:
	packages: write
	contents: read
	attestations: write
	id-token: write
	steps:
	- name: Check out the repo
	uses: actions/checkout@v4
	with:
	fetch-depth: 0
	submodules: recursive

	- name: Login to Docker Hub
	uses: docker/login-action@v3
	with:
	username: ${{ secrets.DOCKERHUB_USERNAME }}
	password: ${{ secrets.DOCKERHUB_TOKEN }}

	- name: Docker meta
	id: meta
	uses: docker/metadata-action@v5
	with:
	images: burgholzer/mqt-ddvis

	- name: Build and push Docker image
	id: push
	uses: docker/build-push-action@v5
	with:
	context: .
	push: ${{ github.event_name != 'pull_request' }}
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}

	- 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: ${{ github.event_name != 'pull_request' }}

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