function() { $arr = [ 'default' => (object) [ 'engine' => 'mysql', 'host' => (object) [ 'name' => $_ENV['MYSQL_HOST'] ?? 'db' ], 'user' => (object) [ 'name' => $_ENV['MYSQL_USER'], 'password' => $_ENV['MYSQL_PASSWORD'] ], 'name' => $_ENV['MYSQL_DATABASE'], 'logging' => true, 'caching' => true ] ]; return (object) [ 'short_names' => true, 'databases' => $arr ]; } ];