When you don't want to run the servers yourself, you can use services like appfog and nodejitsu (there may be more like those), which run a CloudFoundry stack.

When you decide "Hey, I want to run it on my server(s)", then you just setup their open source stack (there's even an automatic setup process for this) on your server and you're running on your own machine.

I assume I can't do that with your service, can I?