feat: add morty controller endpoint to healthcheck

internal/gateway/health.go

@@ -16,14 +16,22 @@ const (
 
 func (s *Server) HealthcheckHandler(w http.ResponseWriter, _ *http.Request) {
 
-	// check is morty is up
+	// check is morty registry is up
 	_, err := http.Get(s.cfg.MortyRegistryEndpoint + "/healthz")
 	if err != nil {
 		w.WriteHeader(http.StatusInternalServerError)
 		json.NewEncoder(w).Encode(&healthcheck{Status: outOfService})
 		return
 	}
 
+	// check is morty controller is up
+	_, err = http.Get(s.cfg.MortyControllerEndpoint + "/_/health")
+	if err != nil {
+		w.WriteHeader(http.StatusInternalServerError)
+		json.NewEncoder(w).Encode(&healthcheck{Status: outOfService})
+		return
+	}
+
 	// check is rick is up
 	_, err = http.Get(s.cfg.NluApiEndpoint + "/docs")
 	if err != nil {