Fatal error: Uncaught PDOException: PDO::__construct(): php_network_getaddresses: getaddrinfo for restools-db failed: Name or service not known in /var/www/html/index.php:28 Stack trace: #0 /var/www/html/index.php(28): PDO->__construct('mysql:host=rest...', 'restools', Object(SensitiveParameterValue)) #1 {main} Next PDOException: SQLSTATE[HY000] [2002] php_network_getaddresses: getaddrinfo for restools-db failed: Name or service not known in /var/www/html/index.php:28 Stack trace: #0 /var/www/html/index.php(28): PDO->__construct('mysql:host=rest...', 'restools', Object(SensitiveParameterValue)) #1 {main} thrown in /var/www/html/index.php on line 28