chore: migrate away from blue-build #442

	name: build sidusio/sediment
	on:
	schedule:
	- cron: "00 17 * * *" # build at 17:00 UTC every day
	# (20 minutes after last ublue images start building)
	push:
	branches:
	- main
	paths-ignore: # don't rebuild if only documentation has changed
	- "**.md"

	pull_request:
	workflow_dispatch: # allow manually triggering builds

	env:
	REGISTRY: ghcr.io

	jobs:
	build-image:
	name: Build Custom Image
	permissions:
	contents: read
	packages: write
	id-token: write
	# Ubuntu 24.04 has Podman 4 installed from scratch
	runs-on: ubuntu-24.04

	steps:
	- uses: sigstore/[email protected]
	- uses: actions/checkout@v4
	- id: tags
	shell: bash
	run: \|
	if [ "${{ github.event_name }}" == "pull_request" ]; then
	TAGS="pr-${{ github.event.pull_request.number }} ${{ github.event.pull_request.head.sha }}"
	elif [ "${{ github.event_name }}" == "push" ] && [ "${{ github.ref_name }}" == "main" ]; then
	TAGS="latest ${{ github.sha }}"
	fi
	echo "tags=$TAGS" >> "$GITHUB_OUTPUT"
	- name: Build Image
	id: build
	uses: redhat-actions/buildah-build@v2
	with:
	image: ${{ github.repository }}/sediment
	containerfiles: Containerfile
	tags: ${{ steps.tags.outputs.tags }}

	- name: Login to GitHub Container Registry
	uses: redhat-actions/podman-login@v1
	with:
	registry: ${{ env.REGISTRY }}
	username: github_workflow
	password: ${{ secrets.GITHUB_TOKEN }}

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

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