Infrastructure
Servers and the applications running on them.
Servers and applications
Keep the list of servers and the web applications on them, and set up an application on Ploi.
Sync users with Ploi
Check that each person has the database access they should on the servers, and change a person's database password.
The Ploi env tool
Keep the settings every site's environment file should carry, by environment, and write them to all the matching sites at once.