Added github action support #1

	#inspired from https://github.com/nzwulfin/cicd-bootc/blob/main/.github/workflows/build_fedora_bootc.yml
	name: Build bootc image with GHA
	on:
	schedule:
	#weekly updates - change as needed
	- cron: "0 0 * * 5"
	workflow_dispatch:
	push:
	branches:
	- main

	jobs:
	build:
	name: Build bootc image

	#change ubuntu-latest to runner if using the included gitea configs
	runs-on: ubuntu-latest
	env:
	IMAGE_NAME: bootc-demo1
	REGISTRY: ghcr.io/intlug

	steps:
	- name: Clone the repository
	uses: actions/checkout@v4

	- name: Use buildah bud to create the image
	id: build-image
	uses: redhat-actions/buildah-build@v2
	with:
	image: ${{ env.IMAGE_NAME }}
	tags: latest ${{ github.sha }}
	containerfiles: \|
	./Containerfile

	# workaround for https://github.com/redhat-actions/podman-login/issues/42 since the docker config from the host doesn't come up to the container
	- name: Workaround open podman-login action issue
	env:
	auth: "{ \"auths\": {} }"
	run: \|
	mkdir -p $HOME/.docker
	echo $auth > $HOME/.docker/config.json

	- name: Log in to the GitHub Container registry
	uses: redhat-actions/podman-login@v1
	with:
	registry: ${{ env.REGISTRY }}
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Push to GitHub Container Repository
	id: push-to-ghcr
	uses: redhat-actions/push-to-registry@v2
	with:
	image: ${{ steps.build-image.outputs.image }}
	tags: ${{ steps.build-image.outputs.tags }}
	registry: ${{ env.REGISTRY }}

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