prow/pjutil/health.go
func NewHealth() *Health {
	healthMux := http.NewServeMux()
	healthMux.HandleFunc("/healthz", func(w http.ResponseWriter, r *http.Request) { fmt.Fprint(w, "OK") })
	go func() {
		logrus.WithError(http.ListenAndServe(":"+strconv.Itoa(healthPort), healthMux)).Fatal("ListenAndServe returned.")
	}()
	return &Health{
		healthMux: healthMux,
	}
}
func NewHealth() *Health {
	healthMux := http.NewServeMux()
	healthMux.HandleFunc("/healthz", func(w http.ResponseWriter, r *http.Request) { fmt.Fprint(w, "OK") })
	go func() {
		logrus.WithError(http.ListenAndServe(":"+strconv.Itoa(healthPort), healthMux)).Fatal("ListenAndServe returned.")
	}()
	return &Health{
		healthMux: healthMux,
	}
}
// NewHealth creates a new health request multiplexer and starts serving the liveness endpoint
// on the given port