Update actions/checkout action to v4 (#16) #39

	name: Build from Dockerfile
	on:
	push:
	pull_request:
	schedule:
	- cron: "33 3 * * 3"

	jobs:
	build:
	name: Build image
	runs-on: ubuntu-latest
	permissions:
	packages: write
	env:
	IMAGE_NAME: cert-generator
	REGISTRY: ghcr.io/altinn
	steps:
	- name: Clone the repository
	uses: actions/checkout@v4

	- name: Buildah Action
	id: build-image
	uses: redhat-actions/buildah-build@v2
	with:
	image: ${{ env.IMAGE_NAME }}
	tags: ${{ github.sha }} latest
	containerfiles: \|
	./Dockerfile

	- 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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