Migrate labs json file to dedicated labs model #451

	# This workflow uses actions that are not certified by GitHub.
	# They are provided by a third-party and are governed by
	# separate terms of service, privacy policy, and support
	# documentation.
	# hadoint is a Dockerfile linter written in Haskell
	# that helps you build best practice Docker images.
	# More details at https://github.com/hadolint/hadolint
	# testing the pipeline

	name: Hadolint

	on:
	push:
	branches: [master, main, v3.0.0-pre]
	paths:
	- "**/Dockerfile"
	pull_request:
	branches: [master, main, v3.0.0-pre]
	paths:
	- "**/Dockerfile"

	permissions:
	contents: read

	jobs:
	hadolint:
	name: Lint Dockerfiles
	runs-on: ubuntu-latest

	steps:
	- name: Checkout code
	uses: actions/checkout@v4

	- name: Lint root Dockerfile
	uses: hadolint/hadolint-action@v3.1.0
	with:
	dockerfile: ./Dockerfile

	- name: Lint lab Dockerfiles
	run: \|
	exit_code=0
	for dockerfile in $(find dockerized_labs challenge/labs -name Dockerfile 2>/dev/null); do
	echo "::group::Linting $dockerfile"
	docker run --rm -i hadolint/hadolint < "$dockerfile" \|\| exit_code=1
	echo "::endgroup::"
	done
	exit $exit_code

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