Adding JSON middleware

json-middleware.clj

(ns pipeline.core
  (:require [compojure.core :refer [POST defroutes]]
            [ring.middleware.json :refer [wrap-json-response wrap-json-body]]
            [ring.util.response :refer [response]])
  (:gen-class))

(defn post-notes-handler
  [req-body]
  (response req-body))

(defroutes router
  (POST "/notes" {req-body :body} (post-notes-handler req-body)))

(def app
  (-> router
    wrap-json-body
    (wrap-json-response {:keywords? true})))