💚 (backend) Change name to hopps, add artifact id to cont… #5

	name: Build and test backend

	on:
	push:
	paths:
	- backend/**
	- .github/workflows/backend.yml
	branches: ['**']
	tags: [ 'verein-..*' ]

	env:
	BASE_IMAGE_NAME: ghcr.io/hopps-app/hopps/vereine # org_name/repo_name/artifact_id

	# prefix which needs to be in front of version tags
	VERSION_TAG_PREFIX: 'verein-'

	jobs:
	build-code-and-container:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- name: Set up JDK 21
	uses: actions/setup-java@v4
	with:
	java-version: '21'
	distribution: 'temurin'
	cache: maven

	- name: mvn package
	run: mvn -B package --file backend/pom.xml

	- name: Extract metadata (tags, labels) for Docker
	id: meta
	uses: docker/metadata-action@v5
	with:
	images: ${{ env.BASE_IMAGE_NAME }}
	tags: \|
	# increasing run number tag on main
	type=raw,value=${{ github.run_number }},enable={{is_default_branch}}
	# for version tags (only works for tags)
	type=match,pattern=${{ env.VERSION_TAG_PREFIX }}\d.\d.\d
	# for containers on feature branches
	type=ref,event=branch,enable=${{ github.ref_name != github.event.repository.default_branch }}

	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v3

	- name: Login to DockerHub
	uses: docker/login-action@v3
	with:
	registry: ghcr.io
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Build and push
	uses: docker/build-push-action@v6
	with:
	context: backend/de.op-paf.vereinsfin.vereine
	file: backend/de.op-paf.vereinsfin.vereine/src/main/docker/Dockerfile.jvm
	push: true
	tags: ${{ steps.meta.outputs.tags }} # tags from the docker/metadata-action

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