Add Northpool to footer #25

	name: Docker
	on:
	push:
	schedule:
	- cron: "42 2 2 * *"
	workflow_dispatch:

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

	jobs:
	buildDockerImage:
	name: Build Docker image
	runs-on: ubuntu-latest
	steps:
	- name: Checkout code
	uses: nschloe/action-cached-lfs-checkout@v1
	with:
	submodules: recursive
	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v1
	- name: Login to GitHub Container Registry
	uses: docker/login-action@v1
	with:
	registry: ${{ env.REGISTRY }}
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}
	- name: Repo name
	run: echo "IMAGE_ID=$(echo ${{ env.REGISTRY }}/${{ env.REPO_NAME }} \| tr '[A-Z]' '[a-z]')" >> $GITHUB_ENV
	- name: Docker meta
	id: meta
	uses: docker/metadata-action@v3
	with:
	images: "${{ env.IMAGE_ID }}"
	tags: type=sha, prefix={{date 'YYYYMMDD'}}-
	- name: Build and push Docker image
	uses: docker/build-push-action@v2
	with:
	context: .
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}
	push: ${{ github.ref == 'refs/heads/main' }}

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