Fatal error: Uncaught PDOException: SQLSTATE[HY000] [1130] Host '172.18.0.2' is not allowed to connect to this MariaDB server in /var/test/www/index.php:5 Stack trace: #0 /var/test/www/index.php(5): PDO->__construct('mysql:charset=l...', 'gref', Object(SensitiveParameterValue)) #1 {main} thrown in /var/test/www/index.php on line 5