WIP: Add registry-watcher image and separate docker-compose services #4439

	name: Docker

	on:
	push:
	branches:
	- master
	pull_request:
	schedule:
	- cron: "0 0 * * *"

	jobs:
	docker:
	strategy:
	matrix:
	target: [
	"web-server",
	"build-server",
	"registry-watcher",
	"cli"
	]
	name: Test docker image builds
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v5

	- name: setup docker buildx
	uses: docker/setup-buildx-action@v3

	- name: build docker image
	uses: docker/build-push-action@v6
	with:
	context: .
	file: "./dockerfiles/Dockerfile"
	platforms: linux/amd64
	target: ${{ matrix.target }}
	build-args: \|
	GIT_SHA=${{ github.sha }}
	PROFILE=release
	PROFILE_DIR=release
	load: true
	cache-from: type=gha
	cache-to: type=gha,mode=max
	push: false

	# TODO: later we would set `push: true` and also provide nice tags
	# for the images.
	# Unclear is how the deploy would work then.

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