Not sure if this is exactly what you're getting at, I use capistrano, it was built for rails deployments and does require some scripting/setup but once you've g

Not sure if this is exactly what you're getting at, I use capistrano, it was built for rails deployments and does require some scripting/setup but once you've got that down, i can push changes to any of my sites all day long. I have a few wordpress installs that i deploy with capistrano as well. Once you've got everything setup, there is no noticeable downtime. http://www.capify.org http://www.capify.org ... to modify the database schema you can put migration logic in your scripts.