update readme with instruction to build the image #5

	# Update rekuper image on quay.
	name: update_rekuper_image

	on:
	push:
	branches:
	- main

	jobs:
	rekuper_container:
	name: Update rekuper container image on Quay.
	runs-on: ubuntu-latest

	steps:
	- name: Checkout
	uses: actions/checkout@v4
	with:
	# do not store the auth token in git config
	persist-credentials: false

	- name: Build rekuper image
	id: build-image
	uses: redhat-actions/buildah-build@v2
	with:
	image: rekuper
	tags: latest
	containerfiles: \|
	./Containerfile

	- name: Push rekuper image to quay.io
	id: push-to-quay
	uses: redhat-actions/push-to-registry@v2
	with:
	image: rekuper
	tags: latest
	registry: ${{ secrets.QUAY_SERVER }}/${{ secrets.QUAY_NAMESPACE }}
	username: ${{ secrets.QUAY_USERNAME }}
	password: ${{ secrets.QUAY_PASSWORD }}

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