code: func (h configReloadHandler) ServeHTTP(w http.ResponseWriter, req *http.Request) {
  	if err := config.ReloadGlobalConfig(); err != nil {
  		writeError(w, err)
  	} else {
  		writeData(w, "success!")
  	}
  }
docs: // ServeHTTP handles request of reloading config for this server.