Bump to REDAXO 5.18.0 #75

	name: Test

	on:
	pull_request:
	paths:
	- "images/*/"

	concurrency:
	# Cancel in-progress jobs if a new job is trigged by a commit from the same branch
	# https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#concurrency
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	jobs:
	collect:
	name: Collect images from directories
	runs-on: ubuntu-latest
	# Map step outputs to job outputs, so that the data can be used in upcoming jobs
	# https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#jobsjob_idoutputs
	outputs:
	IMAGES: ${{ steps.images.outputs.directories }}

	steps:
	- name: Checkout repository
	# https://github.com/marketplace/actions/checkout
	uses: actions/checkout@v4
	with:
	persist-credentials: false

	- name: Collect images from directories
	id: images
	run: \|
	cd images
	directories=$(tree -J -d -L 1 \| jq -c '.[0].contents \| map(.name)')
	echo $directories
	echo "directories=$directories" >> $GITHUB_OUTPUT

	test:
	name: Test
	runs-on: ubuntu-latest
	needs: [collect]

	strategy:
	fail-fast: false
	matrix:
	image: ${{ fromJson(needs.collect.outputs.IMAGES) }}

	steps:
	- name: Checkout repository
	uses: actions/checkout@v4
	with:
	persist-credentials: false

	- name: Build and push
	# https://github.com/marketplace/actions/build-and-push-docker-images
	uses: docker/build-push-action@v6
	with:
	context: ./images/${{ matrix.image }}
	load: true
	tags: ${{ matrix.image }}

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