[Feature] - 여행기 상세 조회 Controller 생성

backend/src/main/java/woowacourse/touroot/travelogue/controller/TravelogueController.java

@@ -0,0 +1,23 @@
+package woowacourse.touroot.travelogue.controller;
+
+import lombok.RequiredArgsConstructor;
+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 woowacourse.touroot.travelogue.dto.TravelogueResponse;
+import woowacourse.touroot.travelogue.service.TravelogueService;
+
+@RequiredArgsConstructor
+@RestController
+@RequestMapping("api/v1/travelogues")
+public class TravelogueController {
+
+    private final TravelogueService travelogueService;
+
+    @GetMapping("/{id}")
+    public ResponseEntity<TravelogueResponse> findTravelogue(@PathVariable Long id) {
+        return ResponseEntity.ok(travelogueService.findTravelogueById(id));
+    }
+}