Warning: mysqli_connect(): php_network_getaddresses: getaddrinfo failed: Name or service not known in /opt/bitnami/wordpress/online/common.php on line 19

Warning: mysqli_connect(): (HY000/2002): php_network_getaddresses: getaddrinfo failed: Name or service not known in /opt/bitnami/wordpress/online/common.php on line 19

Fatal error: Uncaught TypeError: mysqli_error(): Argument #1 ($mysql) must be of type mysqli, bool given in /opt/bitnami/wordpress/online/common.php:19 Stack trace: #0 /opt/bitnami/wordpress/online/common.php(19): mysqli_error() #1 /opt/bitnami/wordpress/online/signup2.php(55): include('...') #2 {main} thrown in /opt/bitnami/wordpress/online/common.php on line 19