'mysql', 'db_host' => 'localhost', 'db_port' => 3306, 'db_database' => 'registry', 'db_username' => 'your_username', 'db_password' => 'your_password', 'roid' => 'XX', 'registry_url' => 'https://example.com/rdap-terms', 'rdap_url' => 'https://rdap.example.com', ];