requestHandler := func(ctx *fasthttp.RequestCtx) {

    time.Sleep(time.Second*time.Duration(10))
    fmt.Fprintf(ctx, "Hello, world! Requested path is %q", ctx.Path())
}


s := &fasthttp.Server{
Handler: requestHandler
}

if err := s.ListenAndServe("127.0.0.1:82"); err != nil {
log.Fatalf("error in ListenAndServe: %s", err)
}