Zend certified PHP/Magento developer

How to setup password to Magento Cloud database?

My Magento Cloud doesn’t have any password, I check it in my app/etc/env.php and when I ran this command below.

php -r 'print_r(json_decode(base64_decode($_ENV["MAGENTO_CLOUD_RELATIONSHIPS"])));'

Magento Cloud database password

How could I set up a password for my Magento Cloud installation?