connect remotely to online database online with local phpmyadmin(xampp)

now I deployed laravel project on digitalocean vps cloud (LEMP Stake , Ubuntu 16)
I want Access to my database remotlty from local phpmyadmin (xampp)
I try to modify config.inc.php by put domain / IP address to connect mysql online server but this don't work
my xampp version 3.2.2
any suggesting to do this ?

via Chebli Mohamed