I am looking for information and/or suggestions on how to implement a staging-server system for website development using P4.

Does anyone have documentation on such a system? I have seen a few posts in this maillist's archives on people who have done it, but I'm wondering if anyone has a published description of their system.

Basically, I want a two or three stage system (development, staging, production) with a mechanism to automate populating each stage.

Our servers are Linux with Apache, so writing a few shell or Perl scripts is no problem. But if others have done it and have some pointers, I'd truly appreciate it.