Add possibility to remove the checkin from the map #72

	name: Image build

	on:
	push:
	branches: [ "main" ]
	pull_request:
	branches: [ "main" ]

	env:
	IMAGE_NAME: kroegen
	# Cannot use 'github.repository_owner' because it is not lowercase
	REPO_OWNER: schuttejan

	jobs:

	build:
	runs-on: ubuntu-latest
	permissions:
	packages: write
	contents: read
	steps:
	# https://docs.github.com/en/packages/managing-github-packages-using-github-actions-workflows/publishing-and-installing-a-package-with-github-actions
	- uses: actions/checkout@v4
	- name: Build the image
	run: docker build . --file Dockerfile --tag $IMAGE_NAME --label "runnumber=${GITHUB_RUN_ID}"
	- name: Log in to registry
	run: echo "${{ secrets.GITHUB_TOKEN }}" \| docker login ghcr.io -u ${{ github.actor }} --password-stdin
	- name: Push image
	run: \|
	IMAGE_ID=ghcr.io/$REPO_OWNER/$IMAGE_NAME
	VERSION=$(echo "${{ github.ref }}" \| sed -e 's,./$.$,\1,')
	[[ "${{ github.ref }}" == "refs/tags/"* ]] && VERSION=$(echo $VERSION \| sed -e 's/^v//')
	[ "$VERSION" == "main" ] && VERSION=latest
	echo IMAGE_ID=$IMAGE_ID
	echo VERSION=$VERSION
	docker tag $IMAGE_NAME $IMAGE_ID:$VERSION
	docker push $IMAGE_ID:$VERSION

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