replace custom kubernetes code with helmfile #8

	name: publish

	on: push

	jobs:
	build-and-push-images:
	strategy:
	matrix:
	app:
	- name: backend
	file: docker/backend.Dockerfile
	- name: webapp
	file: docker/webapp.Dockerfile
	- name: maintenance
	file: docker/maintenance.Dockerfile
	runs-on: ubuntu-latest
	env:
	REGISTRY: ghcr.io
	IMAGE_NAME: ${{ github.repository }}/${{ matrix.app.name }}
	permissions:
	contents: read
	packages: write
	attestations: write
	id-token: write

	steps:
	- name: Checkout repository
	uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.1.7
	- name: Log in to the Container registry
	uses: docker/login-action@9780b0c442fbb1117ed29e0efdff1e18412f7567
	with:
	registry: ${{ env.REGISTRY }}
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}
	- name: Extract metadata (tags, labels) for Docker
	id: meta
	uses: docker/metadata-action@70b2cdc6480c1a8b86edf1777157f8f437de2166
	with:
	images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
	tags: \|
	type=schedule
	type=semver,pattern={{version}}
	type=semver,pattern={{major}}.{{minor}}
	type=semver,pattern={{major}}
	type=ref,event=branch
	type=ref,event=pr
	type=sha
	- name: Build and push Docker images
	id: push
	uses: docker/build-push-action@4f58ea79222b3b9dc2c8bbdd6debcef730109a75
	with:
	file: ${{ matrix.app.file }}
	context: .
	push: true
	build-args: \|
	APP_IMAGE_TAG_CODE=hetzner-code
	APP_IMAGE_TAG_BASE=hetzner-base
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}

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