Fatal error: Uncaught Exception: Không thể kết nối đến cơ sở dữ liệu: SQLSTATE[HY000] [2002] php_network_getaddresses: getaddrinfo for db failed: Name or service not known in /home/vantait1/public_html/src/Core/Database.php:24 Stack trace: #0 /home/vantait1/public_html/index.php(8): Core\Database->__construct() #1 {main} thrown in /home/vantait1/public_html/src/Core/Database.php on line 24