Add a script to push #43

	# This workflow creates docker images that are then used for:
	#
	# - Key4hep packages CI
	#
	# All created images are then uploaded to GitHub Container registry

	name: Create images

	on:
	push:
	workflow_dispatch:

	jobs:
	# Image for running key4hep
	build:
	strategy:
	matrix:
	image: ["centos7", "alma9", "ubuntu22"]
	fail-fast: false
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- name: build
	run: \|
	echo $PWD
	ls -l
	cd Docker/${{ matrix.image }}
	./build.sh
	- name: tag
	run: \|
	docker tag ${{ matrix.image }} ghcr.io/key4hep/key4hep-images/${{ matrix.image }}:latest
	docker tag ${{ matrix.image }}-cvmfs ghcr.io/key4hep/key4hep-images/${{ matrix.image }}-cvmfs:latest
	- name: show
	run: docker images
	- name: login and push
	env:
	deploy_secret: ${{ secrets.GITHUB_TOKEN }}
	run: \|
	if [ ! -z ${deploy_secret} ]; then
	echo ${{ secrets.GITHUB_TOKEN }} \| docker login ghcr.io --username ${{ github.actor }} --password-stdin;
	docker push ghcr.io/key4hep/key4hep-images/${{ matrix.image }}:latest;
	docker push ghcr.io/key4hep/key4hep-images/${{ matrix.image }}-cvmfs:latest;
	else
	echo "Skipping deploy no secrets present";
	fi

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