Warning: mysqli_connect(): php_network_getaddresses: getaddrinfo for mariadb_relaks failed: Name or service not known in /var/www/html/modules/settings/config.php on line 32

Fatal error: Uncaught mysqli_sql_exception: php_network_getaddresses: getaddrinfo for mariadb_relaks failed: Name or service not known in /var/www/html/modules/settings/config.php:32 Stack trace: #0 /var/www/html/modules/settings/config.php(32): mysqli_connect('mariadb_relaks', 'relaks_user', Object(SensitiveParameterValue), 'relaks_db', 3306) #1 /var/www/html/index.php(73): require_once('/var/www/html/m...') #2 {main} thrown in /var/www/html/modules/settings/config.php on line 32