httpd.conf

...

    ProxyRequests Off

    <Location /myapp>
	ProxyPass http://localhost:8080/myapp
	ProxyPassReverse http://localhost:8080/myapp
        DefaultType text/html
    </Location>
...

welcome.clj

(ns myapp.views.welcome
  (:require [myapp.views.common :as common]
            [noir.content.pages :as pages])
  (:use noir.core
        hiccup.core
        hiccup.page-helpers))

(defpage "/myapp" []
  (render "/myapp/welcome"))

(defpage "/myapp/" []
  (render "/myapp/welcome"))

(defpage "/myapp/welcome" []
         (common/layout
           [:p "Welcome to myapp"]))