docker #58

	name: docker

	on:
	schedule:
	- cron: '30 18 * * *'

	env:
	CERBERUS_IMAGE_ID: ghcr.io/rems-project/cerberus/cn:release

	# Cancelling an in-progress job when a new push is performed causes the CI to
	# show up as failed: https://github.com/orgs/community/discussions/8336
	# This is noisy. If we want to enable that, we should consider:
	# https://github.com/MercuryTechnologies/delete-cancelled-runs
	concurrency:
	group: docker-${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: false

	jobs:
	deploy-docker:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	platform: [linux/amd64, linux/arm64]
	permissions:
	packages: write
	contents: read
	attestations: write
	id-token: write
	steps:
	- uses: actions/checkout@v4

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

	- name: Set up QEMU
	uses: docker/setup-qemu-action@v3
	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v3
	- name: Build the Docker image
	run: \|
	echo "Building ${{env.CERBERUS_IMAGE_ID}}"
	PLATFORM=${{ matrix.platform }} make -f Makefile_docker release_cn
	docker tag cn:release ${{env.CERBERUS_IMAGE_ID}}

	- name: Push the Docker image
	run: docker push ${{env.CERBERUS_IMAGE_ID}}

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