Please checkout http://blog.postabon.com/a-simple-lisp-webapp-for-beginners for more comprehensive documentation. This is meant to be be a simple 'base' that you can use to develop your own Lisp Webapp. The startup script (startserver.sh) expects SBCL to be installed and in your PATH, but besides that there are no external dependencies.
smanek/trivial-lisp-webapp
A trivial example of a Lisp website, setup with Hunchentoot and HTML-template
Common Lisp