Alternative way to read JSON body using ioutil.ReadAll()

read_json_in_http.go

func CreateNote(w http.ResponseWriter, r *http.Request) {
	
	var m map[string]interface{}
	
	body, err := ioutil.ReadAll(r.Body)
    
	if err = json.Unmarshal(body, &m); err != nil {
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}
	
	fmt.Fprintln(w, "done")
}