Server Starten

router = http.NewServeMux()
      server = &http.Server{
              Addr:    ":8080",
              Handler: router,
      }

  server.ListenAndServe()

Server Stopen

     router = http.NewServeMux()
    server = &http.Server{
            Addr:    ":8080",
            Handler: router,
    }

server.ListenAndServe()