title: How do I package a rails as a standalone executable
body: <p>I've been developing a web application and a lot of customers are asking if they can host the application in their network (for security reasons).  I have been looking for a way to package up a rails app into a single executable (with server and all), but haven't been able to find anything.  My other requirement is that we distribute it without the source.  Because of that I was looking at JRuby and Warbler.  The end product should run on linux or windows.  Has anyone done anything like this before, or can anyone point me in the right direction.</p>
  
  <p>Thanks</p>