service-a-1.go

func main() {
	client := boomerang.NewHttpClient(clientCnf)
	mux := http.NewServeMux()
	mux.HandleFunc("/ping", func(w http.ResponseWriter, req *http.Request) {
		request, _ := http.NewRequest("GET", URL_SERVICE_B, strings.NewReader("gopher"))
		resp, httpErr := client.Do(request)
		if httpErr != nil {
			fmt.Println("ping failed ", httpErr)
			w.Write([]byte("fail"))
			return
		}
		defer resp.Body.Close()
		w.Write([]byte("pong"))
		return
	})
	mux.Handle("/metrics", promhttp.Handler())
	server := lucio.NewServer(mux, "0.0.0.0", 8089)
	err := server.Serve()
	log.Println("terminated", os.Getpid(), err)
}