proxy + 2 http servers

broken proxy

package main

import (
	"fmt"
	"net/http"
)

func main() {
	go func() {
		server := http.Server{Addr: ":8081", Handler: http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
			w.WriteHeader(http.StatusBadGateway)
			w.Write([]byte{})
		})}
		server.ListenAndServe()
	}()

	go func() {
		server := http.Server{Addr: ":8082", Handler: http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
			w.WriteHeader(http.StatusBadRequest)
			w.Write([]byte{})
		})}
		server.ListenAndServe()
	}()

	count := 0
	server := http.Server{Addr: ":8080", Handler: http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
		count = count + 1

		client := http.Client{}
		req.RequestURI = ""

		req.URL.Scheme = "http"
		if count%2 == 0 {
			req.URL.Host = "127.0.0.1:8081"
		} else {
			req.URL.Host = "127.0.0.1:8082"
		}

		if _, err := client.Do(req); err != nil {
			fmt.Printf("err: %v", err)
		}

		w.Write([]byte{})
	})}
	server.ListenAndServe()
}