v491-dev4 #333

	# https://docs.github.com/en/actions/publishing-packages/publishing-docker-images
	name: VTS Eventdisplay Docker Image

	on:
	workflow_dispatch:
	push:
	branches:
	- main
	tags:
	- 'v*'
	pull_request:
	branches: ["main"]
	release:
	types: [published]

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

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

	steps:
	- name: Checkout repository
	uses: actions/checkout@v4
	with:
	path: 'EventDisplay_v4'

	- name: Set build arguments
	run: \|
	if [[ "${{ github.event_name }}" == 'pull_request' ]]; then
	echo "BUILD_BRANCH=${GITHUB_HEAD_REF}" >> "$GITHUB_ENV"
	else
	echo "BUILD_BRANCH=${GITHUB_REF#refs/heads/}" >> "$GITHUB_ENV"
	fi

	- name: Log in to the Container registry
	uses: docker/login-action@v3
	with:
	registry: ${{ env.REGISTRY }}
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Extract metadata (tags, labels) for Docker
	id: meta
	uses: docker/metadata-action@v5
	with:
	images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}

	- name: Build and push Docker image
	uses: docker/build-push-action@v6
	with:
	context: .
	build-args: BUILD_BRANCH=${{ env.BUILD_BRANCH }}
	push: ${{ github.event_name != 'pull_request' }}
	file: ./EventDisplay_v4/dockerfiles/Dockerfile
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}

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