diff --git a/backend/feature/post/src/adapter/delivery/post_controller.rs b/backend/feature/post/src/adapter/delivery/post_controller.rs
index 861bfb8..6ae8b68 100644
--- a/backend/feature/post/src/adapter/delivery/post_controller.rs
+++ b/backend/feature/post/src/adapter/delivery/post_controller.rs
@@ -1,5 +1,3 @@
-use std::sync::Arc;
-
 use async_trait::async_trait;
 
 use crate::application::{
@@ -23,14 +21,14 @@ pub trait PostController: Send + Sync {
 }
 
 pub struct PostControllerImpl {
-    get_all_post_info_use_case: Arc<dyn GetAllPostInfoUseCase>,
-    get_full_post_use_case: Arc<dyn GetFullPostUseCase>,
+    get_all_post_info_use_case: Box<dyn GetAllPostInfoUseCase>,
+    get_full_post_use_case: Box<dyn GetFullPostUseCase>,
 }
 
 impl PostControllerImpl {
     pub fn new(
-        get_all_post_info_use_case: Arc<dyn GetAllPostInfoUseCase>,
-        get_full_post_use_case: Arc<dyn GetFullPostUseCase>,
+        get_all_post_info_use_case: Box<dyn GetAllPostInfoUseCase>,
+        get_full_post_use_case: Box<dyn GetFullPostUseCase>,
     ) -> Self {
         Self {
             get_all_post_info_use_case,
@@ -45,7 +43,10 @@ impl PostController for PostControllerImpl {
         &self,
         is_published_only: bool,
     ) -> Result<Vec<PostInfoResponseDto>, PostError> {
-        let result = self.get_all_post_info_use_case.execute(is_published_only).await;
+        let result = self
+            .get_all_post_info_use_case
+            .execute(is_published_only)
+            .await;
 
         result.map(|post_info_list| {
             let post_info_response_dto_list: Vec<PostInfoResponseDto> = post_info_list
diff --git a/backend/feature/post/src/application/use_case/get_all_post_info_use_case.rs b/backend/feature/post/src/application/use_case/get_all_post_info_use_case.rs
index f2895d5..1084849 100644
--- a/backend/feature/post/src/application/use_case/get_all_post_info_use_case.rs
+++ b/backend/feature/post/src/application/use_case/get_all_post_info_use_case.rs
@@ -25,6 +25,8 @@ impl GetAllPostInfoUseCaseImpl {
 #[async_trait]
 impl GetAllPostInfoUseCase for GetAllPostInfoUseCaseImpl {
     async fn execute(&self, is_published_only: bool) -> Result<Vec<PostInfo>, PostError> {
-        self.post_repository.get_all_post_info(is_published_only).await
+        self.post_repository
+            .get_all_post_info(is_published_only)
+            .await
     }
 }
diff --git a/backend/server/src/container.rs b/backend/server/src/container.rs
index b1558a0..7a689cc 100644
--- a/backend/server/src/container.rs
+++ b/backend/server/src/container.rs
@@ -24,8 +24,8 @@ impl Container {
         let post_repository = Arc::new(PostRepositoryImpl::new(post_db_service.clone()));
 
         let get_all_post_info_use_case =
-            Arc::new(GetAllPostInfoUseCaseImpl::new(post_repository.clone()));
-        let get_full_post_use_case = Arc::new(GetFullPostUseCaseImpl::new(post_repository.clone()));
+            Box::new(GetAllPostInfoUseCaseImpl::new(post_repository.clone()));
+        let get_full_post_use_case = Box::new(GetFullPostUseCaseImpl::new(post_repository.clone()));
 
         let post_controller = Arc::new(PostControllerImpl::new(
             get_all_post_info_use_case,