Merge pull request #246 from actris-cloudnet/queue-limit #40

	name: Create and publish a Docker image

	on: [push, pull_request]

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

	jobs:
	build-and-push-image:
	strategy:
	matrix:
	target: [frontend, backend]
	include:
	- target: frontend
	build-args: \|
	BACKEND_URL=/api/
	MATOMO_HOST=https://cloudnet-matomo.out.ocp.fmi.fi/
	MATOMO_SITE_ID=1
	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 the Container registry
	if: startsWith(github.ref, 'refs/tags/v')
	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 }}-${{ matrix.target }}

	- name: Build and push Docker image
	id: push
	uses: docker/build-push-action@v6
	with:
	context: .
	file: ${{ matrix.target }}/Dockerfile
	build-args: ${{ matrix.build-args }}
	push: ${{ startsWith(github.ref, 'refs/tags/v') }}
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}

	- name: Generate artifact attestation
	if: startsWith(github.ref, 'refs/tags/v')
	uses: actions/attest-build-provenance@v1
	with:
	subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME}}-${{ matrix.target }}
	subject-digest: ${{ steps.push.outputs.digest }}
	push-to-registry: true

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