use the NewServer.pem File
the new server ip "3.68.63.185"
username "ubuntu"
The server has caprover setup  password "Alarcade123#" manage the # in the password well plesase 
The database application on caprover is 
Your app is internally available as srv-captain--mysql-db to other apps. In case of web-app, it is accessible via http://srv-captain--mysql-db from other apps