func init() {
	flag.StringVar(&keyFile, "key-file", "", "Path to TLS cert key file")
	flag.StringVar(&certFile, "cert-file", "", "Path to TLS cert file")
}

func writeErrorResponse(w http.ResponseWriter, err error) {
	w.WriteHeader(http.StatusBadRequest)
	json.NewEncoder(w).Encode(map[string]string{
		"error": fmt.Sprintf("%v", err),
	})
}

type Result struct {
	Result bool `json:"result"`
}