Merge pull request #156 from ipa-lab/development #3

	name: Publish Docker
	on:
	push:
	branches: [main, '*-public-docker']
	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- name: Check out
	uses: actions/checkout@v4
	with:
	submodules: recursive

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

	- name: Build and push Docker image with timestamp tag
	run: \|
	IMAGE_NAME="ghcr.io/$(echo '${{ github.repository }}' \| tr '[:upper:]' '[:lower:]')"
	BRANCH="${{ github.ref_name }}"
	if [[ "$BRANCH" != "main" ]]; then
	echo "Branch is: $BRANCH"
	BRANCH_NAME=$(echo "${BRANCH%-public-docker}" \| tr '[:upper:]' '[:lower:]')
	echo "Branch name: $BRANCH_NAME"
	IMAGE_NAME="$IMAGE_NAME/$BRANCH_NAME"
	fi
	TIMESTAMP=$(date +'%Y%m%d%H%M%S')

	echo "Tagging image $IMAGE_NAME with timestamp $TIMESTAMP"

	# Build the Docker image using source/Dockerfile.
	docker build -t $IMAGE_NAME:$TIMESTAMP -t $IMAGE_NAME:latest -f Dockerfile .

	# Push the image to GitHub Container Registry.
	docker push $IMAGE_NAME:$TIMESTAMP
	docker push $IMAGE_NAME:latest

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