diff --git a/.gitignore b/.gitignore
index f5b50b8..00d64cc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 authService
+
diff --git a/authService b/authService
index 2219bf7..46a0872 100755
Binary files a/authService and b/authService differ
diff --git a/cmd/main.go b/cmd/main.go
index 87d4f14..7c57c38 100644
--- a/cmd/main.go
+++ b/cmd/main.go
@@ -2,11 +2,12 @@ package main
 
 import (
 	"context"
-	"fmt"
 	"log"
+	"net"
 	"net/http"
 	"os"
 	"os/signal"
+	"strconv"
 	"syscall"
 	"test3k/auth/internal/config"
 	server "test3k/auth/internal/transport/rest"
@@ -39,7 +40,7 @@ func main() {
 
 // Остановка сервера
 func stop(signalChannel chan os.Signal, s *server.AuthServer) {
-	defer s.Close()
+	defer s.GracefulStop()
 	defer signal.Stop(signalChannel)
 
 	log.Println("authServer stopping ...")
@@ -47,7 +48,7 @@ func stop(signalChannel chan os.Signal, s *server.AuthServer) {
 
 // Запуск сервера
 func start(ctx context.Context, config *config.Config, s *server.AuthServer) {
-	connStr := fmt.Sprintf(":%d", config.App.Port)
+	connStr := net.JoinHostPort("", strconv.Itoa(config.App.Port))
 
 	//
 	log.Printf("authServer starting (%s)\n", connStr)
diff --git a/internal/transport/grpc/db.go b/internal/transport/grpc/db.go
index d697b00..cfe6b2e 100644
--- a/internal/transport/grpc/db.go
+++ b/internal/transport/grpc/db.go
@@ -32,8 +32,8 @@ func NewDBClient(ctx context.Context, config *config.Config) *AuthDBClient {
 	}
 }
 
-func (s *AuthDBClient) Close() {
-	s.client.Close()
+func (s *AuthDBClient) Close() error {
+	return s.client.Close()
 }
 
 func (s *AuthDBClient) Login(uid string, password string) error {
diff --git a/internal/transport/rest/server.go b/internal/transport/rest/server.go
index 704528e..e7f50d7 100644
--- a/internal/transport/rest/server.go
+++ b/internal/transport/rest/server.go
@@ -35,8 +35,8 @@ func NewServer(ctx context.Context, config *config.Config) *AuthServer {
 	return s
 }
 
-func (s *AuthServer) Close() {
-	s.db.Close()
+func (s *AuthServer) GracefulStop() error {
+	return s.db.Close()
 }
 
 func login(s *AuthServer) http.HandlerFunc {