database\ConnectionErrorMysqli: Connection failed:php_network_getaddresses: getaddrinfo for 212.192.3.95
 failed: Name or service not known in /var/www/backend/libs/database/Connection.php:68
Stack trace:
#0 /var/www/backend/libs/database/Connection.php(1342): database\Connection->__construct()
#1 /var/www/html/index.php(15): database\Connection::getMainPage(2, 26, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, false)
#2 {main}

Next database\ConnectionErrorMysqli: Connection failed to db: in /var/www/backend/libs/database/Connection.php:104
Stack trace:
#0 /var/www/backend/libs/database/Connection.php(1342): database\Connection->__construct()
#1 /var/www/html/index.php(15): database\Connection::getMainPage(2, 26, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, false)
#2 {main}