Host: Enter the host of the database. Make sure it is publicly accessible
Port: Enter the port of the database. In case your database is in a Docker container or behind a load balancer, make sure to fill the exposed port, not the internal one (if they are different).
Database name: Enter one of the databases you want to connect to.
Username : Enter the username to connect to the database.
Password : Enter the password to connect to the database.
Click Test Connection to verify that the application can connect to your database
Label your database by giving a meaningful name (E.g. MyDB Staging)