diff --git a/src/main/java/com/back/domain/user/entity/User.java b/src/main/java/com/back/domain/user/entity/User.java
index c746c241..4ad1a26d 100644
--- a/src/main/java/com/back/domain/user/entity/User.java
+++ b/src/main/java/com/back/domain/user/entity/User.java
@@ -14,6 +14,7 @@
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.List;
+import java.util.Objects;
 
 @Entity
 @Table(name = "users")  // 예약어 충돌 방지를 위해 "users" 권장
@@ -70,6 +71,17 @@ public class User {
     @OneToMany(mappedBy = "user", cascade = CascadeType.ALL, orphanRemoval = true)
     private List<PostLike> postLikes = new ArrayList<>();
 
+    @Override
+    public boolean equals(Object o) {
+        if (o == null || getClass() != o.getClass()) return false;
+        User user = (User) o;
+        return Objects.equals(id, user.id);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hashCode(id);
+    }
 
     public boolean isAdmin() {
         return "ADMIN".equalsIgnoreCase(role);
diff --git a/src/main/java/com/back/global/security/SecurityUser.java b/src/main/java/com/back/global/security/SecurityUser.java
index ae0b9adb..0c7c0b2a 100644
--- a/src/main/java/com/back/global/security/SecurityUser.java
+++ b/src/main/java/com/back/global/security/SecurityUser.java
@@ -38,7 +38,6 @@ public SecurityUser(
                 authorities
         );
 
-
         this.id = id;
         this.nickname = nickname;
         this.email = email;
diff --git a/src/main/resources/application-dev.yml b/src/main/resources/application-dev.yml
index 98079d1b..c1412685 100644
--- a/src/main/resources/application-dev.yml
+++ b/src/main/resources/application-dev.yml
@@ -29,17 +29,6 @@ spring:
       encoding: UTF-8
       data-locations: classpath:data-h2.sql
 
-  cloud:
-    aws:
-      region:
-        static: ap-northeast-2
-      stack:
-        auto: false
-      credentials:
-        access-key: ${AWS_ACCESS_KEY_ID}  # 로컬용 더미값
-        secret-key: ${AWS_SECRET_ACCESS_KEY}
-      s3:
-        bucket: team2-app-s3-bucket
 
 # Swagger 설정
 springdoc:
diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml
index e2ac5c23..4f164228 100644
--- a/src/main/resources/application.yml
+++ b/src/main/resources/application.yml
@@ -47,6 +47,18 @@ spring:
             user-info-uri: https://openapi.naver.com/v1/nid/me
             user-name-attribute: response
 
+  cloud:
+    aws:
+      region:
+        static: ap-northeast-2
+      stack:
+        auto: false
+      credentials:
+        access-key: ${AWS_ACCESS_KEY_ID}  # 로컬용 더미값
+        secret-key: ${AWS_SECRET_ACCESS_KEY}
+      s3:
+        bucket: team2-app-s3-bucket
+
   ai:
     openai:
       api-key: ${GEMINI_API_KEY}