Update container.yaml workflow #3

	name: Build Image
	on: [push]
	env:
	IMAGE_NAME: pipelines-as-code-prow
	IMAGE_TAGS: nightly ${{ github.sha }}
	IMAGE_REGISTRY: ghcr.io/${{ github.repository_owner }}
	REGISTRY_USER: ${{ github.actor }}
	REGISTRY_PASSWORD: ${{ github.token }}

	jobs:
	build-image:
	name: Build image without Containerfile
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v4

	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: "3.x" # Specify the Python version you need

	- name: Build Image
	id: build_image
	uses: redhat-actions/buildah-build@v2
	with:
	base-image: registry.access.redhat.com/ubi9/go-toolset # it has everything we need so let's use it
	image: ${{ env.IMAGE_NAME }}
	tags: ${{ env.IMAGE_TAGS }}
	content: \|
	prow/
	entrypoint: python prow/prow.py

	# Push the image to GHCR (Image Registry)
	- name: Push To GHCR
	uses: redhat-actions/push-to-registry@v2
	id: push
	with:
	image: ${{ steps.build_image.outputs.image }}
	tags: ${{ steps.build_image.outputs.tags }}
	registry: ${{ env.IMAGE_REGISTRY }}
	username: ${{ env.REGISTRY_USER }}
	password: ${{ env.REGISTRY_PASSWORD }}

	- name: Echo outputs
	run: \|
	echo "${{ toJSON(steps.push.outputs) }}"

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