updated github workflow #2

	name: Provide needed docker images in ghcr.io

	on:
	workflow_dispatch:
	push:

	env:
	REGISTRY_IMAGE: ghcr.io/novatecconsulting/opentelemetry-training

	jobs:
	retag_and_push:
	name: Provide docker image ${{ matrix.image.namespace }}/${{ matrix.image.name }}:${{ matrix.image.tag }} on ghcr.io
	runs-on: [ubuntu-latest]
	strategy:
	matrix:
	image:
	- name: todobackend-springboot
	tag: v2404
	namespace: maeddes
	- name: todoui-thymeleaf
	tag: v2404
	namespace: maeddes
	- name: todoui-flask
	tag: v2404
	namespace: maeddes
	- name: simple-generator
	tag: v2404
	namespace: maeddes
	steps:
	- name: Checkout repository
	uses: actions/checkout@v4

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

	- name: Pull image from Docker Hub
	run: \|
	docker pull docker.io/${{ matrix.image.namespace }}/${{ matrix.image.name }}:${{ matrix.image.tag }}

	- name: Retag the image for GitHub Container Registry
	run: \|
	docker tag ${{ matrix.image.namespace }}/${{ matrix.image.name }}:${{ matrix.image.tag }} ${{ env.REGISTRY_IMAGE }}-${{ matrix.image.name }}:${{ matrix.image.tag }}

	- name: Push image to GitHub Container Registry
	run: \|
	docker push ${{ env.REGISTRY_IMAGE }}-${{ matrix.image.name }}:${{ matrix.image.tag }}

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