Fatal error: Uncaught PDOException: PDO::__construct(): php_network_getaddresses: getaddrinfo failed: Name or service not known in /application/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php:43 Stack trace: #0 /application/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php(43): PDO->__construct('mysql:host=mysq...', 'root', 'FGmnfdoj0i9jewr...', Array) #1 /application/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOMySql/Driver.php(44): Doctrine\DBAL\Driver\PDOConnection->__construct('mysql:host=mysq...', 'root', 'FGmnfdoj0i9jewr...', Array) #2 /application/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(372): Doctrine\DBAL\Driver\PDOMySql\Driver->connect(Array, 'root', 'FGmnfdoj0i9jewr...', Array) #3 /application/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(893): Doctrine\DBAL\Connection->connect() #4 /application/vendor/doctrine/orm/lib/Doctrine/ORM/Query/Exec/SingleSelectExecutor.php(50): Doctrine\DBAL\Connection->executeQuery('SELECT r0_.path...', Array, Array, NULL) #5 /a in /application/app/Resources/views/templates/includes/header.html.twig on line 30