in pkg/handler/middleware.go [76:82]
func monitor(verb, path string, httpCode int, reqStart time.Time) {
elapsed := float64((time.Since(reqStart)) / time.Microsecond)
requestCounter.WithLabelValues(verb, path, strconv.Itoa(httpCode)).Inc()
requestLatencies.WithLabelValues(verb, path).Observe(elapsed)
requestLatenciesSummary.WithLabelValues(verb, path).Observe(elapsed)
}