Initialize the most likely HTTP status codes.

Author: boekkooi-fresh

pkg/webhook/server.go

@@ -130,6 +130,12 @@ func instrumentedHook(path string, hookRaw http.Handler) http.Handler {
 	cnt := metrics.RequestTotal.MustCurryWith(lbl)
 	gge := metrics.RequestInFlight.With(lbl)
 
+	// Initialize the most likely HTTP status codes.
+	lat.WithLabelValues("200")
+	lat.WithLabelValues("500")
+	cnt.WithLabelValues("200")
+	cnt.WithLabelValues("500")
+
 	return promhttp.InstrumentHandlerDuration(
 		lat,
 		promhttp.InstrumentHandlerCounter(