diff --git a/adapter/web/src/main/java/de/strasser/peter/hexagonal/web/CustomerCRUDController.java b/adapter/web/src/main/java/de/strasser/peter/hexagonal/web/CustomerCRUDController.java
index ff76b26..c55ca0a 100644
--- a/adapter/web/src/main/java/de/strasser/peter/hexagonal/web/CustomerCRUDController.java
+++ b/adapter/web/src/main/java/de/strasser/peter/hexagonal/web/CustomerCRUDController.java
@@ -1,17 +1,22 @@
 package de.strasser.peter.hexagonal.web;
 
 import de.strasser.peter.hexagonal.application.customer.port.in.QueryAllCustomersCRUD;
+import de.strasser.peter.hexagonal.web.dto.response.CustomerResponse;
+import de.strasser.peter.hexagonal.web.mapper.CustomerWebMapper;
 import lombok.RequiredArgsConstructor;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RestController;
 
+import java.util.List;
+
 @RestController
 @RequiredArgsConstructor
 public class CustomerCRUDController {
   private final QueryAllCustomersCRUD queryAllCustomersCRUD;
+  private final CustomerWebMapper customerMapper;
 
   @GetMapping("/v1/customers")
-  public Object getAllCustomers() {
-    return this.queryAllCustomersCRUD.getAll();
+  public List<CustomerResponse> getAllCustomers() {
+    return customerMapper.toResponse(this.queryAllCustomersCRUD.getAll());
   }
 }
diff --git a/adapter/web/src/main/java/de/strasser/peter/hexagonal/web/dto/response/CustomerResponse.java b/adapter/web/src/main/java/de/strasser/peter/hexagonal/web/dto/response/CustomerResponse.java
index 225256d..8c2a992 100644
--- a/adapter/web/src/main/java/de/strasser/peter/hexagonal/web/dto/response/CustomerResponse.java
+++ b/adapter/web/src/main/java/de/strasser/peter/hexagonal/web/dto/response/CustomerResponse.java
@@ -1,4 +1,19 @@
 package de.strasser.peter.hexagonal.web.dto.response;
 
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.math.BigInteger;
+import java.time.LocalDate;
+
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
 public class CustomerResponse {
+  private BigInteger id;
+  private String name;
+  private String hashedPassword;
+  private LocalDate birthday;
+  private int age;
 }