Hello World map to JSON

gistfile1.clj

(ns mybudgetbuddy-clj.core
  (:use compojure.core
        ring.middleware.json
        ring.util.response)
  (:require
    [ring.adapter.jetty :as jetty]))

(defn index [request] (response {:say "hello world"}))

(defroutes main-routes
  (get "/" [] (wrap-json-response index)))

(defn -main []
  (jetty/run-jetty main-routes
    {:port 5000}))