I have this error, my database is in a service other than magento and the user used to connect to the database is admin, can you help me?
PDOException: Caught PDOException (500): SQLSTATE[HY000] [2002] Connection refused in /var/www/whitelabel/vendor/magento/zendframework1/library/Zend/Db/Adapter/Pdo/Abstract.php:128
#0 /var/www/whitelabel/vendor/magento/zendframework1/library/Zend/Db/Adapter/Pdo/Abstract.php(128): PDO->__construct()
#1 /var/www/whitelabel/vendor/magento/zendframework1/library/Zend/Db/Adapter/Pdo/Mysql.php(111): Zend_Db_Adapter_Pdo_Abstract->_connect()
#2 /var/www/whitelabel/vendor/magento/framework/DB/Adapter/Pdo/Mysql.php(406): Zend_Db_Adapter_Pdo_Mysql->_connect()
