nextcloud-server/apps/files_external/tests/sso-setup/apps.config.php

<?php

$CONFIG = [
	"apps_paths" => [
		[
			"path" => "/var/www/html/apps",
			"url" => "/apps",
			"writable" => false,
		],
		[
			"path" => "/var/www/html/extra-apps",
			"url" => "/extra-apps",
			"writable" => true,
		],
	],
];