Not that I really want to be making more webapps, but if I must this forman program seems like a great way to quickly setup a dev environment. It can run a bunch of programs simultaneously with different ports and generally get a nice setup going. Looks like it can also generate init files and other shit for deploying to a real server.
https://github.com/ddollar/foreman http://blog.daviddollar.org/2011/05/06/introducing-foreman.html
Here's a nice go version of the program