Split workflow into CI and Deploy #2

	---
	# Based on video "GitHub Packages. Containers in a GitHub repo?"" <https://www.youtube.com/watch?v=gqseP_wTZsk>
	# TODO: DockerHub integration, see e.g. https://github.com/docker/metadata-action

	# Builds for the current architecture on each push

	name: Build on push

	on:
	push:
	branches:
	- master

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

	jobs:
	build-and-push:
	runs-on: ubuntu-latest
	permissions:
	contents: read
	packages: write

	steps:
	- name: Checkout repository
	uses: actions/checkout@v3

	- name: Login to container registry
	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 }}
	# FIXME: :latest isn't added by default althought it should??? https://github.com/docker/metadata-action?tab=readme-ov-file#latest-tag
	# adding a raw tag as a workaround
	tags: \|
	type=raw,value=latest
	type=sha
	type=semver,pattern={{version}}
	type=semver,pattern={{major}}.{{minor}}
	type=ref,event=tag
	type=ref,event=branch,suffix=-branch

	# Standard build action:
	#- name: Build and push Docker image
	# uses: docker/build-push-action@v5
	# with:
	# context: .
	# push: true
	# tags: ${{ steps.meta.outputs.tags }}
	# labels: ${{ steps.meta.outputs.labels }}
	# Non-standard using the makefile:
	- name: Build
	# IMAGE_NAME must match the github repository name
	run: make REGISTRY=${{ env.REGISTRY }} IMAGE_NAME=${{ env.IMAGE_NAME }}

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