$databaseConfig = array(
"type" => 'MySQLDatabase',
"server" => 'my-mysql-instance.sjkghakjsafwedfadfcx.ap-southeast-2.rds.amazonaws.com',
"username" => 'myusername',
"password" => 'mypass',
"database" => 'mydbname',
"path" => ''
);

[Warning] mysqli::mysqli(): (28000/1045): Access denied for user 'blahblah'@'172.31.1.187' (using password: YES)