Warning: mysqli_connect(): php_network_getaddresses: getaddrinfo for mariadb failed: Temporary failure in name resolution in /var/www/html/classe/conecta.php on line 8

Fatal error: Uncaught mysqli_sql_exception: php_network_getaddresses: getaddrinfo for mariadb failed: Temporary failure in name resolution in /var/www/html/classe/conecta.php:8 Stack trace: #0 /var/www/html/classe/conecta.php(8): mysqli_connect('mariadb', 'energia', Object(SensitiveParameterValue)) #1 /var/www/html/index.php(3): require_once('/var/www/html/c...') #2 {main} thrown in /var/www/html/classe/conecta.php on line 8