diff --git a/src/main/java/com/rviewer/skeletons/application/adapter/CartController.java b/src/main/java/com/rviewer/skeletons/application/adapter/CartController.java
index 0445f88..8b8aa16 100644
--- a/src/main/java/com/rviewer/skeletons/application/adapter/CartController.java
+++ b/src/main/java/com/rviewer/skeletons/application/adapter/CartController.java
@@ -4,7 +4,7 @@ import com.rviewer.skeletons.application.exception.CartAlreadyExistsException;
 import com.rviewer.skeletons.application.exception.CartNotFoundException;
 import com.rviewer.skeletons.domain.model.Cart;
 import com.rviewer.skeletons.domain.model.Item;
-import com.rviewer.skeletons.domain.ports.primary.CartServicePort;
+import com.rviewer.skeletons.domain.ports.inbound.CartServicePort;
 import com.rviewer.skeletons.application.request.CreateCartReq;
 import com.rviewer.skeletons.application.request.UpdateCartReq;
 import org.springframework.http.HttpStatus;
diff --git a/src/main/java/com/rviewer/skeletons/domain/ports/primary/CartServicePort.java b/src/main/java/com/rviewer/skeletons/domain/ports/inbound/CartServicePort.java
similarity index 79%
rename from src/main/java/com/rviewer/skeletons/domain/ports/primary/CartServicePort.java
rename to src/main/java/com/rviewer/skeletons/domain/ports/inbound/CartServicePort.java
index e3d1ff6..5f79be0 100644
--- a/src/main/java/com/rviewer/skeletons/domain/ports/primary/CartServicePort.java
+++ b/src/main/java/com/rviewer/skeletons/domain/ports/inbound/CartServicePort.java
@@ -1,4 +1,4 @@
-package com.rviewer.skeletons.domain.ports.primary;
+package com.rviewer.skeletons.domain.ports.inbound;
 
 import com.rviewer.skeletons.domain.model.Cart;
 
diff --git a/src/main/java/com/rviewer/skeletons/domain/ports/secondary/CartDatabasePort.java b/src/main/java/com/rviewer/skeletons/domain/ports/outbound/CartDatabasePort.java
similarity index 79%
rename from src/main/java/com/rviewer/skeletons/domain/ports/secondary/CartDatabasePort.java
rename to src/main/java/com/rviewer/skeletons/domain/ports/outbound/CartDatabasePort.java
index 9cfb1d1..b33daf5 100644
--- a/src/main/java/com/rviewer/skeletons/domain/ports/secondary/CartDatabasePort.java
+++ b/src/main/java/com/rviewer/skeletons/domain/ports/outbound/CartDatabasePort.java
@@ -1,4 +1,4 @@
-package com.rviewer.skeletons.domain.ports.secondary;
+package com.rviewer.skeletons.domain.ports.outbound;
 
 import com.rviewer.skeletons.domain.model.Cart;
 
diff --git a/src/main/java/com/rviewer/skeletons/domain/service/CartService.java b/src/main/java/com/rviewer/skeletons/domain/service/CartService.java
index 7018ea9..be2fcbe 100644
--- a/src/main/java/com/rviewer/skeletons/domain/service/CartService.java
+++ b/src/main/java/com/rviewer/skeletons/domain/service/CartService.java
@@ -3,8 +3,8 @@ package com.rviewer.skeletons.domain.service;
 import com.rviewer.skeletons.domain.model.Block;
 import com.rviewer.skeletons.domain.model.Blockchain;
 import com.rviewer.skeletons.domain.model.Cart;
-import com.rviewer.skeletons.domain.ports.primary.CartServicePort;
-import com.rviewer.skeletons.domain.ports.secondary.CartDatabasePort;
+import com.rviewer.skeletons.domain.ports.inbound.CartServicePort;
+import com.rviewer.skeletons.domain.ports.outbound.CartDatabasePort;
 import org.springframework.stereotype.Component;
 
 import javax.transaction.Transactional;
diff --git a/src/main/java/com/rviewer/skeletons/infrastructure/database/adapter/CartDatabaseAdapter.java b/src/main/java/com/rviewer/skeletons/infrastructure/database/adapter/CartDatabaseAdapter.java
index 12773b3..4de0bf0 100644
--- a/src/main/java/com/rviewer/skeletons/infrastructure/database/adapter/CartDatabaseAdapter.java
+++ b/src/main/java/com/rviewer/skeletons/infrastructure/database/adapter/CartDatabaseAdapter.java
@@ -1,7 +1,7 @@
 package com.rviewer.skeletons.infrastructure.database.adapter;
 
 import com.rviewer.skeletons.domain.model.Cart;
-import com.rviewer.skeletons.domain.ports.secondary.CartDatabasePort;
+import com.rviewer.skeletons.domain.ports.outbound.CartDatabasePort;
 import com.rviewer.skeletons.infrastructure.database.dto.PostgresCart;
 import com.rviewer.skeletons.infrastructure.database.repository.PostgresCartRepository;
 import org.springframework.stereotype.Component;
diff --git a/src/test/java/com/rviewer/skeletons/infrastructure/inbound/api/adapter/CartControllerTest.java b/src/test/java/com/rviewer/skeletons/application/adapter/CartControllerTest.java
similarity index 98%
rename from src/test/java/com/rviewer/skeletons/infrastructure/inbound/api/adapter/CartControllerTest.java
rename to src/test/java/com/rviewer/skeletons/application/adapter/CartControllerTest.java
index 75a2c80..2327b83 100644
--- a/src/test/java/com/rviewer/skeletons/infrastructure/inbound/api/adapter/CartControllerTest.java
+++ b/src/test/java/com/rviewer/skeletons/application/adapter/CartControllerTest.java
@@ -1,9 +1,9 @@
-package com.rviewer.skeletons.infrastructure.inbound.api.adapter;
+package com.rviewer.skeletons.application.adapter;
 
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.rviewer.skeletons.domain.model.Cart;
 import com.rviewer.skeletons.domain.model.Item;
-import com.rviewer.skeletons.domain.ports.primary.CartServicePort;
+import com.rviewer.skeletons.domain.ports.inbound.CartServicePort;
 import com.rviewer.skeletons.application.exception.CartAlreadyExistsException;
 import com.rviewer.skeletons.application.exception.CartNotFoundException;
 import org.junit.jupiter.api.Test;
diff --git a/src/test/java/com/rviewer/skeletons/infrastructure/outbound/adapter/CartDatabaseAdapterTest.java b/src/test/java/com/rviewer/skeletons/infrastructure/database/adapter/CartDatabaseAdapterTest.java
similarity index 94%
rename from src/test/java/com/rviewer/skeletons/infrastructure/outbound/adapter/CartDatabaseAdapterTest.java
rename to src/test/java/com/rviewer/skeletons/infrastructure/database/adapter/CartDatabaseAdapterTest.java
index 3c730cf..1730cf0 100644
--- a/src/test/java/com/rviewer/skeletons/infrastructure/outbound/adapter/CartDatabaseAdapterTest.java
+++ b/src/test/java/com/rviewer/skeletons/infrastructure/database/adapter/CartDatabaseAdapterTest.java
@@ -1,8 +1,7 @@
-package com.rviewer.skeletons.infrastructure.outbound.adapter;
+package com.rviewer.skeletons.infrastructure.database.adapter;
 
 import com.rviewer.skeletons.domain.model.Cart;
 import com.rviewer.skeletons.domain.model.Item;
-import com.rviewer.skeletons.infrastructure.database.adapter.CartDatabaseAdapter;
 import com.rviewer.skeletons.infrastructure.database.dto.PostgresCart;
 import com.rviewer.skeletons.infrastructure.database.repository.PostgresCartRepository;
 import org.junit.jupiter.api.BeforeEach;