fix: add log for dns

cmd/app/cmd.go

@@ -35,6 +35,7 @@ func NewRootCommand() *cobra.Command {
 			var err error
 			if dbConfig != nil {
 				dns := fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?charset=utf8mb4&parseTime=True&loc=Local", dbConfig.User, dbConfig.Password, dbConfig.Host, dbConfig.Port, dbConfig.Database)
+				log.Info().Msgf("dns: %s", dns)
 				db, err = gorm.Open(mysql.Open(dns), &gorm.Config{})
 				if err != nil {
 					panic(err)