Refactor : Etag get 요청에 관한 전체 설정으로 변경

src/main/java/org/guzzing/studayserver/domain/academy/controller/AcademyController.java

@@ -50,7 +50,6 @@ public ResponseEntity<AcademyGetResponse> getAcademy(
         AcademyDetailFacadeResult detailAcademy = academyFacade.getDetailAcademy(AcademyDetailFacadeParam.of(memberId, academyId));
 
         return ResponseEntity.status(HttpStatus.OK)
-                .cacheControl(CacheControl.noCache())
                 .body(AcademyGetResponse.from(detailAcademy));
     }
 
@@ -65,7 +64,6 @@ public ResponseEntity<AcademiesByLocationWithScrollResponses> findByLocationWith
                 AcademyByLocationWithScrollRequest.to(request, memberId));
 
         return ResponseEntity.status(HttpStatus.OK)
-                .cacheControl(CacheControl.noCache())
                 .body(AcademiesByLocationWithScrollResponses.from(response));
     }
 
@@ -79,7 +77,6 @@ public ResponseEntity<AcademiesByNameResponses> findByName(
                 AcademiesByNameRequest.to(request));
 
         return ResponseEntity.status(HttpStatus.OK)
-                .cacheControl(CacheControl.noCache())
                 .body(AcademiesByNameResponses.from(academiesByNameResults));
     }
 
@@ -94,7 +91,6 @@ public ResponseEntity<AcademiesFilterWithScrollResponses> filterAcademies(
                 AcademyFilterWithScrollRequest.to(request), memberId);
 
         return ResponseEntity.status(HttpStatus.OK)
-                .cacheControl(CacheControl.noCache())
                 .body(AcademiesFilterWithScrollResponses.from(academiesFilterWithScrollResults));
     }
 
@@ -108,7 +104,6 @@ public ResponseEntity<LessonInfoToCreateDashboardResponses> getLessonInfosToCrea
                 academyId);
 
         return ResponseEntity.status(HttpStatus.OK)
-                .cacheControl(CacheControl.noCache())
                 .body(LessonInfoToCreateDashboardResponses.from(lessonsInfoAboutAcademy));
     }
 

src/main/java/org/guzzing/studayserver/domain/child/controller/ChildRestController.java

@@ -66,7 +66,6 @@ public ResponseEntity<ChildrenFindResponse> findChildren(@MemberId Long memberId
 
         return ResponseEntity
                 .status(HttpStatus.OK)
-                .cacheControl(CacheControl.noCache())
                 .body(ChildrenFindResponse.from(childrenByMemberIdAndDateTime));
     }
 

src/main/java/org/guzzing/studayserver/global/config/WebConfig.java

@@ -0,0 +1,33 @@
+package org.guzzing.studayserver.global.config;
+
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
+import org.springframework.boot.web.servlet.FilterRegistrationBean;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.filter.ShallowEtagHeaderFilter;
+import org.springframework.web.servlet.HandlerInterceptor;
+import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+
+@Configuration
+public class WebConfig implements WebMvcConfigurer {
+    @Override
+    public void addInterceptors(InterceptorRegistry registry) {
+        registry.addInterceptor(new HandlerInterceptor() {
+            @Override
+            public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
+                if(request.getMethod().equals("GET")) {
+                    response.setHeader("Cache-Control","no-cache");
+                }
+                return HandlerInterceptor.super.preHandle(request, response, handler);
+            }
+        });
+    }
+
+    @Bean
+    public ShallowEtagHeaderFilter shallowEtagHeaderFilter() {
+        return new ShallowEtagHeaderFilter();
+    }
+
+}