release ready workflows with metadata injection #157

	name: Build & Publish CI Container

	on:
	push: {}

	jobs:
	changes:
	runs-on: ubuntu-latest
	outputs:
	ci_changed: ${{ steps.filter.outputs.ci }}
	steps:
	- name: Check out code
	uses: actions/checkout@v4

	- name: Detect CI‐container changes
	id: filter
	uses: dorny/paths-filter@v3
	with:
	filters: \|
	ci:
	- '.github/containers/Containerfile.ci'
	- '.github/containers/**'

	build-and-push:
	needs: changes
	if: ${{ needs.changes.outputs.ci_changed == 'true' }}
	runs-on: ubuntu-latest
	permissions:
	contents: read
	packages: write

	steps:
	- name: Check out code
	uses: actions/checkout@main

	- name: Set up QEMU
	uses: docker/setup-qemu-action@v3

	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v3

	- name: Log in to GHCR
	uses: docker/login-action@v1
	with:
	registry: ghcr.io
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Build & push multi-arch opensuse-15.5 image
	run: \|
	docker buildx build \
	--builder "$BUILDER_INSTANCE" \
	--platform linux/amd64,linux/arm64 \
	--file .github/containers/Containerfile.ci \
	--tag ghcr.io/${{ github.repository_owner }}/${{ github.event.repository.name }}/ci-runner:latest \
	--push \
	.

	- name: Build & push multi-arch opensuse-15.6 image
	run: \|
	docker buildx build \
	--builder "$BUILDER_INSTANCE" \
	--platform linux/amd64,linux/arm64 \
	--file .github/containers/Containerfile-opensuse156.ci \
	--tag ghcr.io/${{ github.repository_owner }}/${{ github.event.repository.name }}/ci-runner-opensuse156:latest \
	--push \
	.

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