Capistrano is an open source Ruby program, distributed as a gem, that acts as the Ring Master coordinating all of the interactions between your local development computer and one or more remote computers, usually your production servers.
Everything from source control and migrations to Capistrano, rake tasks and beyond. How to deploy your applications to multiple production servers with a single command using Capistrano. How to setup a Rails/Nginx/Mongrel cluster for applications with high scalabilty needs.
List price: $34.95
Amazon price: Not Available