style: cpr #19

	name: Docker Image CI

	on:
	push:
	branches: ['dev']

	env:
	IMAGE_NAME: energy-householder

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

	steps:
	- uses: actions/checkout@v4
	- name: Build image
	run: docker build --pull --rm -f "dockerfiles/Dockerfile.prod" --tag $IMAGE_NAME --label "runnumber=${GITHUB_RUN_ID}" .
	- name: Log in to registry
	run: echo "${{ secrets.GITHUB_TOKEN }}" \| docker login ghcr.io -u $ --password-stdin
	- name: Push image
	run: \|
	IMAGE_ID=ghcr.io/${{ github.repository_owner }}/$IMAGE_NAME

	IMAGE_ID=$(echo $IMAGE_ID \| tr '[A-Z]' '[a-z]')

	VERSION=$(echo "${{ github.ref }}" \| sed -e 's,./$.$,\1,')

	[[ "${{ github.ref }}" == "refs/tags/"* ]] && VERSION=$(echo $VERSION \| sed -e 's/^v//')

	echo IMAGE_ID=$IMAGE_ID
	echo VERSION=$VERSION
	docker tag $IMAGE_NAME $IMAGE_ID:$VERSION
	docker push $IMAGE_ID:$VERSION

	# build repoUrl
	# change all uppercase characters to lowercase
	# strip git ref prefix from version
	# strip v prefix from tag name
	# zse Docker:latest tag convention

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