diff --git a/src/cmd/server/main.go b/src/cmd/server/main.go
index c078125..3637674 100644
--- a/src/cmd/server/main.go
+++ b/src/cmd/server/main.go
@@ -17,6 +17,7 @@ func main() {
 	}
 
 	c := common.NewConfig()
+	fmt.Printf("config main: %v\n", c.Base.AppID)
 	srv := server.New(
 		c,
 		server.WithCache(c),
diff --git a/src/internal/app/server/basket_handler.go b/src/internal/app/server/basket_handler.go
index 10905df..e408b69 100644
--- a/src/internal/app/server/basket_handler.go
+++ b/src/internal/app/server/basket_handler.go
@@ -14,7 +14,7 @@ import (
 func (s *Server) GetBasketHandler(c *fiber.Ctx) error {
 	req := new(http.GetBasketRequest)
 	if err := c.BodyParser(req); err != nil {
-		return s.Base.Error400(c, err.Error())
+		return s.Base.Error(c, 400, err.Error())
 	}
 
 	basketID := req.BasketID
@@ -22,7 +22,7 @@ func (s *Server) GetBasketHandler(c *fiber.Ctx) error {
 	ctx := context.Background()
 	basket, err := basketSrv.FetchFromDB(ctx, basketID)
 	if err != nil {
-		return s.Base.Error400(c, "Failed to retrieve basket")
+		return s.Base.Error(c, 400, "Failed to retrieve basket")
 	}
 
 	res := &http.GetBasketResponse{
@@ -43,7 +43,7 @@ func (s *Server) GetBasketItemsHandler(c *fiber.Ctx) error {
 	ctx := context.Background()
 	items, err := basketSrv.FetchItems(ctx, basketID)
 	if err != nil {
-		return s.Base.Error400(c, "Failed to retrieve basket items")
+		return s.Base.Error(c, 400, "Failed to retrieve basket")
 	}
 
 	var res []*http.GetBasketItemsResponse
@@ -69,14 +69,14 @@ func (s *Server) CheckoutHandler(c *fiber.Ctx) error {
 	reqID, _ := s.Base.GetRequestID(c)
 	req := new(http.BasketCheckoutRequest)
 	if err := c.BodyParser(req); err != nil {
-		return s.Base.Error400(c, err.Error())
+		return s.Base.Error(c, 400, err.Error())
 	}
 
 	basketID := req.BasketID
 	basketSrv := service.NewBasketService(s.Database, s.Cache, s.Eventbus, s.Logger)
 	res, err := ui.CheckoutBasket(basketSrv, basketID, reqID)
 	if err != nil {
-		return s.Base.Error400(c, "Failed to create order")
+		return s.Base.Error(c, 400, "Failed to create order")
 	}
 
 	return c.JSON(res)
diff --git a/src/internal/app/server/server.go b/src/internal/app/server/server.go
index a7aa3c2..281fc8c 100644
--- a/src/internal/app/server/server.go
+++ b/src/internal/app/server/server.go
@@ -42,7 +42,8 @@ type (
 
 func New(c *common.Config, opts ...OptionFn) *Server {
 	svr := &Server{
-		Base: srv.New(c.Base),
+		Base:   srv.New(c.Base),
+		Config: c,
 	}
 
 	for _, opt := range opts {
@@ -128,7 +129,6 @@ func WithLogger(c *common.Config) OptionFn {
 }
 
 func WithRegistry(c *common.Config) OptionFn {
-	// fmt.Printf("WithRegistry constructor: config: %v", c.Base)
 	port, _ := strconv.Atoi(c.Base.NetAddr[1:]) // FIXME: can be IP:PORT which now will cause error
 	registry, err := consul.NewService(c.RegistryAddr, c.Base.AppID, c.Base.AppName, c.Base.AppID, c.Base.AppName, c.Base.PathPrefix, port)
 	if err != nil {
@@ -143,19 +143,20 @@ func WithRegistry(c *common.Config) OptionFn {
 	return func(s *Server) error {
 		s.Registry = registry
 
-		go func(s *Server) { // Consul KV updater
+		go func( /*s *Server*/ ) { // Consul KV updater
 			ticker := time.NewTicker(time.Second * 15)
 			for range ticker.C {
 				s.updateKVConfig()
 			}
-		}(s)
+		}()
 
-		go func(s *Server) { // Server metadata cache updater
+		go func( /*s *Server*/ ) { // Server metadata cache updater
 			ticker := time.NewTicker(time.Second * 5)
 			for range ticker.C {
+				fmt.Printf("config: %v\n", s.Base.Config)
 				s.cacheMetadata()
 			}
-		}(s)
+		}()
 
 		return nil
 	}
@@ -177,7 +178,6 @@ func WithRegistry(c *common.Config) OptionFn {
 
 func (s *Server) Shutdown() srv.PurgeFn {
 	return func(srv *srv.Server) error {
-		fmt.Printf("%v", s.Base)
 		// s.Logger.Log("Server is going down... Unregistering service: %s", s.Base.AppID)
 		s.Logger.Log("Server is going down... Unregistering service...")
 
@@ -228,6 +228,7 @@ func (s *Server) clearMetadataCache() {
 }
 
 func (s *Server) getMetadataIPsKey() string {
+	fmt.Printf("getMetadataIPsKey: %s", s.Base.Config)
 	return "internal__" + s.Base.Config.AppName + "__ips"
 }
 
diff --git a/src/pkg/server/server.go b/src/pkg/server/server.go
index 86bd22a..2fbd44e 100644
--- a/src/pkg/server/server.go
+++ b/src/pkg/server/server.go
@@ -43,7 +43,8 @@ func New(conf *Config) *Server {
 			WriteTimeout: conf.WriteTimeout * time.Millisecond,
 			IdleTimeout:  conf.IdleTimeout * time.Millisecond,
 		}),
-		addr: conf.NetAddr,
+		Config: conf,
+		addr:   conf.NetAddr,
 	}
 }
 
@@ -56,29 +57,13 @@ func (s *Server) GetRequestID(c *fiber.Ctx) (string, error) {
 	return hdr.RequestID, nil
 }
 
-// @Refactor make single func with error message and optional http status code...
-func (s *Server) Error400(c *fiber.Ctx, msg string) error {
-	return c.Status(fiber.StatusBadRequest).JSON(http.ErrorResponse{Error: msg})
-	// test with &(reference) before http.ErrorMessage, but probably it's gonna be erroneous
+func (s *Server) Error(c *fiber.Ctx, code int, msg string) error {
+	return c.Status(code).JSON(http.ErrorResponse{Error: msg})
 }
 
-func (s *Server) Error401(c *fiber.Ctx, msg string) error {
-	return c.Status(fiber.StatusUnauthorized).JSON(http.ErrorResponse{Error: msg})
-}
-
-func (s *Server) Error403(c *fiber.Ctx, msg string) error {
-	return c.Status(fiber.StatusForbidden).JSON(http.ErrorResponse{Error: msg})
-}
-
-func (s *Server) Error404(c *fiber.Ctx, msg string) error {
-	return c.Status(fiber.StatusNotFound).JSON(http.ErrorResponse{Error: msg})
-}
-
-// @EndRefactor
-
 func (s *Server) Start(forever chan struct{}, prgFn PurgeFn) error {
 	go func() {
-		fmt.Println("Starting...")
+		fmt.Printf("config at starting point: %v\n", s.Config)
 		sigint := make(chan os.Signal, 1)
 		signal.Notify(sigint, os.Interrupt, syscall.SIGINT, syscall.SIGTERM)
 		<-sigint