diff --git a/shoppingbasketapp/service/cart/entity.go b/domain/shoppingbasket/entity/entity.go
similarity index 95%
rename from shoppingbasketapp/service/cart/entity.go
rename to domain/shoppingbasket/entity/entity.go
index f3032daf..99cc6c96 100644
--- a/shoppingbasketapp/service/cart/entity.go
+++ b/domain/shoppingbasket/entity/entity.go
@@ -1,4 +1,4 @@
-package cart
+package entity
 
 import (
 	"git.gocasts.ir/ebhomengo/niki/types"
diff --git a/shoppingbasketapp/repository/cart.go b/domain/shoppingbasket/repository/cart.go
similarity index 90%
rename from shoppingbasketapp/repository/cart.go
rename to domain/shoppingbasket/repository/cart.go
index 7e45ce92..67b6c405 100644
--- a/shoppingbasketapp/repository/cart.go
+++ b/domain/shoppingbasket/repository/cart.go
@@ -4,8 +4,8 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
+	"git.gocasts.ir/ebhomengo/niki/domain/shoppingbasket/entity"
 	richerror "git.gocasts.ir/ebhomengo/niki/pkg/rich_error"
-	"git.gocasts.ir/ebhomengo/niki/shoppingbasketapp/service/cart"
 	"git.gocasts.ir/ebhomengo/niki/types"
 	"github.com/redis/go-redis/v9"
 	"strconv"
@@ -43,7 +43,7 @@ func (r Repo) itemKey(productID types.ID) string {
 	return fmt.Sprintf("item:%d", productID)
 }
 
-func (r Repo) AddItem(ctx context.Context, userID types.ID, item cart.Item) error {
+func (r Repo) AddItem(ctx context.Context, userID types.ID, item entity.Item) error {
 	const op = "shoppingbasketapp.repository.AddItem"
 
 	cartKey := r.cartKey(userID)
@@ -65,7 +65,7 @@ func (r Repo) AddItem(ctx context.Context, userID types.ID, item cart.Item) erro
 	} else {
 		existsItem, _ := r.client.HGet(ctx, cartKey, itemKey).Result()
 		if existsItem != "" {
-			var i cart.Item
+			var i entity.Item
 			if err := json.Unmarshal([]byte(existsItem), &i); err != nil {
 				return richerror.New(op).WithKind(richerror.KindUnexpected).WithErr(err)
 			}
@@ -91,31 +91,31 @@ func parsInt(s string) int64 {
 	return i
 }
 
-func (r Repo) GetCart(ctx context.Context, userID types.ID) (cart.Cart, error) {
+func (r Repo) GetCart(ctx context.Context, userID types.ID) (entity.Cart, error) {
 	const op = "shoppingbasketapp.repository.GetCart"
 	cartKey := r.cartKey(userID)
 
 	exists, err := r.client.Exists(ctx, cartKey).Result()
 	if err != nil {
-		return cart.Cart{}, richerror.New(op).WithKind(richerror.KindUnexpected).WithErr(err)
+		return entity.Cart{}, richerror.New(op).WithKind(richerror.KindUnexpected).WithErr(err)
 	}
 
 	if exists == 0 {
-		return cart.Cart{}, richerror.New(op).WithKind(richerror.KindNotFound).WithMessage("not found shopping basket")
+		return entity.Cart{}, richerror.New(op).WithKind(richerror.KindNotFound).WithMessage("not found shopping basket")
 	}
 
 	allCart, err := r.client.HGetAll(ctx, cartKey).Result()
 	if err != nil {
-		return cart.Cart{}, richerror.New(op).WithKind(richerror.KindUnexpected).WithErr(err)
+		return entity.Cart{}, richerror.New(op).WithKind(richerror.KindUnexpected).WithErr(err)
 	}
 
-	c := cart.Cart{Items: []cart.Item{}}
+	c := entity.Cart{Items: []entity.Item{}}
 
 	for field, value := range allCart {
 		if strings.HasPrefix(field, "item:") {
-			var i cart.Item
+			var i entity.Item
 			if err := json.Unmarshal([]byte(value), &i); err != nil {
-				return cart.Cart{}, richerror.New(op).WithKind(richerror.KindUnexpected).WithErr(err)
+				return entity.Cart{}, richerror.New(op).WithKind(richerror.KindUnexpected).WithErr(err)
 			}
 
 			c.Items = append(c.Items, i)
@@ -185,7 +185,7 @@ func (r Repo) UpdateQuantity(ctx context.Context, userID, productID types.ID, qu
 		return richerror.New(op).WithKind(richerror.KindUnexpected).WithErr(err)
 	}
 
-	var item cart.Item
+	var item entity.Item
 	if err := json.Unmarshal([]byte(data), &item); err != nil {
 		return richerror.New(op).WithKind(richerror.KindUnexpected).WithErr(err)
 	}
@@ -228,7 +228,7 @@ func (r Repo) updateTotalPrice(ctx context.Context, cartKey string) error {
 
 	for field, value := range allFields {
 		if strings.HasPrefix(field, "item:") {
-			var item cart.Item
+			var item entity.Item
 
 			if err := json.Unmarshal([]byte(value), &item); err != nil {
 				return richerror.New(op).WithKind(richerror.KindUnexpected).WithErr(err)
diff --git a/shoppingbasketapp/service/cart/param.go b/domain/shoppingbasket/service/param.go
similarity index 60%
rename from shoppingbasketapp/service/cart/param.go
rename to domain/shoppingbasket/service/param.go
index 97d8a520..f8c589b9 100644
--- a/shoppingbasketapp/service/cart/param.go
+++ b/domain/shoppingbasket/service/param.go
@@ -1,6 +1,9 @@
-package cart
+package service
 
-import "git.gocasts.ir/ebhomengo/niki/types"
+import (
+	"git.gocasts.ir/ebhomengo/niki/domain/shoppingbasket/entity"
+	"git.gocasts.ir/ebhomengo/niki/types"
+)
 
 type AddToCartRequest struct {
 	UserID    types.ID    `json:"user_id"`
@@ -11,11 +14,11 @@ type AddToCartRequest struct {
 }
 
 type GetCartResponse struct {
-	UserID     types.ID    `json:"user_id"`
-	Items      []Item      `json:"items"`
-	TotalPrice types.Price `json:"total_price"`
-	CreatedAt  int64       `json:"created_at"`
-	ExpireAt   int64       `json:"expire_at"`
+	UserID     types.ID      `json:"user_id"`
+	Items      []entity.Item `json:"items"`
+	TotalPrice types.Price   `json:"total_price"`
+	CreatedAt  int64         `json:"created_at"`
+	ExpireAt   int64         `json:"expire_at"`
 }
 
 type RemoveFromCartRequest struct {
diff --git a/shoppingbasketapp/service/cart/service.go b/domain/shoppingbasket/service/service.go
similarity index 91%
rename from shoppingbasketapp/service/cart/service.go
rename to domain/shoppingbasket/service/service.go
index 1e2da37e..78a2dd1e 100644
--- a/shoppingbasketapp/service/cart/service.go
+++ b/domain/shoppingbasket/service/service.go
@@ -1,7 +1,8 @@
-package cart
+package service
 
 import (
 	"context"
+	"git.gocasts.ir/ebhomengo/niki/domain/shoppingbasket/entity"
 	"git.gocasts.ir/ebhomengo/niki/pkg/logger"
 	richerror "git.gocasts.ir/ebhomengo/niki/pkg/rich_error"
 	"git.gocasts.ir/ebhomengo/niki/types"
@@ -9,8 +10,8 @@ import (
 )
 
 type Repository interface {
-	AddItem(ctx context.Context, userID types.ID, item Item) error
-	GetCart(ctx context.Context, userID types.ID) (Cart, error)
+	AddItem(ctx context.Context, userID types.ID, item entity.Item) error
+	GetCart(ctx context.Context, userID types.ID) (entity.Cart, error)
 	DeleteItem(ctx context.Context, userID, productID types.ID) error
 	UpdateQuantity(ctx context.Context, userID, productID types.ID, quantity int) error
 	DeleteCart(ctx context.Context, userID types.ID) error
@@ -33,7 +34,7 @@ func (s Service) AddToBasket(ctx context.Context, req AddToCartRequest) error {
 		return err
 	}
 
-	return s.repo.AddItem(ctx, req.UserID, Item{
+	return s.repo.AddItem(ctx, req.UserID, entity.Item{
 		ProductID: req.ProductID,
 		Quantity:  req.Quantity,
 		Price:     req.Price,
diff --git a/shoppingbasketapp/service/cart/validator.go b/domain/shoppingbasket/service/validator.go
similarity index 99%
rename from shoppingbasketapp/service/cart/validator.go
rename to domain/shoppingbasket/service/validator.go
index 2ce4b2f7..8ab07773 100644
--- a/shoppingbasketapp/service/cart/validator.go
+++ b/domain/shoppingbasket/service/validator.go
@@ -1,4 +1,4 @@
-package cart
+package service
 
 import (
 	richerror "git.gocasts.ir/ebhomengo/niki/pkg/rich_error"
diff --git a/shoppingbasketapp/app.go b/shoppingbasketapp/app.go
index 2ce4df1e..6fca62d0 100644
--- a/shoppingbasketapp/app.go
+++ b/shoppingbasketapp/app.go
@@ -4,11 +4,12 @@ import (
 	"context"
 	"fmt"
 	"git.gocasts.ir/ebhomengo/niki/adapter/redis"
+	"git.gocasts.ir/ebhomengo/niki/domain/shoppingbasket/repository"
+	"git.gocasts.ir/ebhomengo/niki/domain/shoppingbasket/service"
 	"git.gocasts.ir/ebhomengo/niki/pkg/httpserver"
 	"git.gocasts.ir/ebhomengo/niki/pkg/logger"
 	"git.gocasts.ir/ebhomengo/niki/shoppingbasketapp/delivery/http"
-	"git.gocasts.ir/ebhomengo/niki/shoppingbasketapp/repository"
-	"git.gocasts.ir/ebhomengo/niki/shoppingbasketapp/service/cart"
+	"git.gocasts.ir/ebhomengo/niki/shoppingbasketapp/delivery/http/cart"
 	"os"
 	"os/signal"
 	"sync"
@@ -17,8 +18,8 @@ import (
 
 type Application struct {
 	Repo    repository.Repo
-	Service cart.Service
-	Handler http.Handler
+	Service service.Service
+	Handler cart.Handler
 	Server  http.Server
 	Config  Config
 }
@@ -28,10 +29,10 @@ func Setup(ctx context.Context, cfg Config) (Application, error) {
 	adapter := redis.New(cfg.Redis)
 	repo := repository.New(adapter.Client(), cfg.Repo)
 
-	validator := cart.NewValidate()
-	svc := cart.New(validator, repo)
+	validator := service.NewValidate()
+	svc := service.New(validator, repo)
 
-	handler := http.NewHandler(svc)
+	handler := cart.NewHandler(svc)
 
 	httpServer, err := httpserver.New(cfg.HTTPServer)
 	if err != nil {
diff --git a/shoppingbasketapp/delivery/http/handler.go b/shoppingbasketapp/delivery/http/cart/handler.go
similarity index 90%
rename from shoppingbasketapp/delivery/http/handler.go
rename to shoppingbasketapp/delivery/http/cart/handler.go
index f593c076..15e08310 100644
--- a/shoppingbasketapp/delivery/http/handler.go
+++ b/shoppingbasketapp/delivery/http/cart/handler.go
@@ -1,4 +1,4 @@
-package http
+package cart
 
 import (
 	"git.gocasts.ir/ebhomengo/niki/pkg/claim"
@@ -18,7 +18,7 @@ func NewHandler(svc cart.Service) Handler {
 	return Handler{svc: svc}
 }
 
-func (h Handler) addToBasket(c echo.Context) error {
+func (h Handler) AddToBasket(c echo.Context) error {
 	claims := claim.GetClaimsFromEchoContext(c)
 
 	var req cart.AddToCartRequest
@@ -37,7 +37,7 @@ func (h Handler) addToBasket(c echo.Context) error {
 	return c.NoContent(http.StatusNoContent)
 }
 
-func (h Handler) getCart(c echo.Context) error {
+func (h Handler) GetCart(c echo.Context) error {
 	claims := claim.GetClaimsFromEchoContext(c)
 
 	res, err := h.svc.GetCart(c.Request().Context(), types.ID(claims.UserID))
@@ -49,7 +49,7 @@ func (h Handler) getCart(c echo.Context) error {
 	return c.JSON(http.StatusOK, res)
 }
 
-func (h Handler) removeCart(c echo.Context) error {
+func (h Handler) RemoveCart(c echo.Context) error {
 	claims := claim.GetClaimsFromEchoContext(c)
 
 	if err := h.svc.ClearCart(c.Request().Context(), types.ID(claims.UserID)); err != nil {
@@ -60,7 +60,7 @@ func (h Handler) removeCart(c echo.Context) error {
 	return c.NoContent(http.StatusNoContent)
 }
 
-func (h Handler) removeItem(c echo.Context) error {
+func (h Handler) RemoveItem(c echo.Context) error {
 	claims := claim.GetClaimsFromEchoContext(c)
 	p := c.Param("productID")
 
@@ -84,7 +84,7 @@ func (h Handler) removeItem(c echo.Context) error {
 	return c.NoContent(http.StatusNoContent)
 }
 
-func (h Handler) updateQuantity(c echo.Context) error {
+func (h Handler) UpdateQuantity(c echo.Context) error {
 	claims := claim.GetClaimsFromEchoContext(c)
 	p := c.Param("productID")
 
diff --git a/shoppingbasketapp/delivery/http/server.go b/shoppingbasketapp/delivery/http/server.go
index cfe5fe8c..029d3789 100644
--- a/shoppingbasketapp/delivery/http/server.go
+++ b/shoppingbasketapp/delivery/http/server.go
@@ -3,14 +3,15 @@ package http
 import (
 	"context"
 	"git.gocasts.ir/ebhomengo/niki/pkg/httpserver"
+	"git.gocasts.ir/ebhomengo/niki/shoppingbasketapp/delivery/http/cart"
 )
 
 type Server struct {
-	handler    Handler
+	handler    cart.Handler
 	HTTPServer *httpserver.Server
 }
 
-func NewServer(handler Handler, hS *httpserver.Server) Server {
+func NewServer(handler cart.Handler, hS *httpserver.Server) Server {
 	return Server{handler: handler, HTTPServer: hS}
 }
 
@@ -34,10 +35,10 @@ func (s Server) registerRoutes() {
 
 	r := router.Group("shoppingbasket/cart") // Authentication is required
 
-	r.GET("/", s.handler.getCart)
-	r.DELETE("/", s.handler.removeCart)
+	r.GET("/", s.handler.GetCart)
+	r.DELETE("/", s.handler.RemoveCart)
 
-	r.POST("/items", s.handler.addToBasket)
-	r.DELETE("/items/:productID", s.handler.removeItem)
-	r.PUT("/items/:productID/:quantity", s.handler.updateQuantity)
+	r.POST("/items", s.handler.AddToBasket)
+	r.DELETE("/items/:productID", s.handler.RemoveItem)
+	r.PUT("/items/:productID/:quantity", s.handler.UpdateQuantity)
 }