defer r.Body.Close()
	if err != nil {
		log.Printf("Error reading request body: %v", err)
		w.WriteHeader(http.StatusBadRequest)
		return
	}

	log.Printf(">>> %s %s\n", r.Method, r.URL.Path)
	var out bytes.Buffer
	json.Indent(&out, body, "", "    ")
	log.Printf("%s\n", out.String())

	w.WriteHeader(http.StatusOK)
}

func main() {
	flag.Parse()
	http.HandleFunc("/", mainHandler)