create get customer end point and service

src/main/java/guru/springframework/msscbrewery/services/CustomerService.java

@@ -0,0 +1,11 @@
+package guru.springframework.msscbrewery.services;
+
+import guru.springframework.msscbrewery.web.model.CustomerDto;
+import org.springframework.http.ResponseEntity;
+
+import java.util.UUID;
+
+public interface CustomerService {
+
+    CustomerDto getCustomer(UUID customerId);
+}

src/main/java/guru/springframework/msscbrewery/services/CustomerServiceImpl.java

@@ -0,0 +1,20 @@
+package guru.springframework.msscbrewery.services;
+
+import guru.springframework.msscbrewery.web.model.CustomerDto;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.stereotype.Service;
+
+import java.util.UUID;
+
+@Service
+public class CustomerServiceImpl implements CustomerService {
+
+    @Override
+    public CustomerDto getCustomer(UUID customerId) {
+        return CustomerDto.builder()
+                .id(customerId)
+                .name("Moustafa")
+                .build();
+    }
+}

src/main/java/guru/springframework/msscbrewery/web/controller/CustomerController.java

@@ -0,0 +1,28 @@
+package guru.springframework.msscbrewery.web.controller;
+
+import guru.springframework.msscbrewery.services.CustomerService;
+import guru.springframework.msscbrewery.web.model.CustomerDto;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.UUID;
+
+@RequestMapping("/api/v1/customer")
+@RestController
+public class CustomerController {
+
+    private CustomerService customerService;
+
+    public CustomerController(CustomerService customerService) {
+        this.customerService = customerService;
+    }
+
+    @GetMapping({"{customerId}"})
+    public ResponseEntity<CustomerDto> getCustomer(@PathVariable("customerId") UUID customerId) {
+        return new ResponseEntity<>(customerService.getCustomer(customerId), HttpStatus.OK);
+    }
+}

src/main/java/guru/springframework/msscbrewery/web/model/CustomerDto.java

@@ -0,0 +1,18 @@
+package guru.springframework.msscbrewery.web.model;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.util.UUID;
+
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+@Builder
+public class CustomerDto {
+
+    private UUID id;
+    private String name;
+}

target/classes/application.properties

@@ -0,0 +1 @@
+