diff --git a/src/main/java/mutsa/server/controller/UsersController.java b/src/main/java/mutsa/server/controller/UsersController.java
index a702dce..3540f42 100644
--- a/src/main/java/mutsa/server/controller/UsersController.java
+++ b/src/main/java/mutsa/server/controller/UsersController.java
@@ -10,10 +10,7 @@
 import org.apache.coyote.Response;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.RequestBody;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.bind.annotation.*;
 
 @RestController
 @RequestMapping("/api/users")
@@ -22,13 +19,13 @@ public class UsersController {
 
     private final UsersService usersService;
 
-    @GetMapping("/signup")
+    @PostMapping("/signup")
     public ResponseEntity<ApiResponse<SignUpResponsePayload>> signUp(@RequestBody SignUpRequest signUpRequest){
         SignUpResponsePayload signUpResponsePayload=usersService.save(signUpRequest);
         return ResponseEntity.ok(ApiResponse.ok("닉네임 생성 성공",signUpResponsePayload));
     }
 
-    @GetMapping("/login")
+    @PostMapping("/login")
     public ResponseEntity<ApiResponse<LoginResponsePayload>> login(@RequestBody LoginRequest loginRequest){
         LoginResponsePayload loginResponsePayload=usersService.login(loginRequest);
         if (loginResponsePayload.getNickname() == null) {
diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties
index 75bcbab..b6303e0 100644
--- a/src/main/resources/application.properties
+++ b/src/main/resources/application.properties
@@ -8,9 +8,10 @@ spring.jpa.properties.hibernate.format_sql=true
 spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.MySQL8Dialect
 
 spring.datasource.username=root
-spring.datasource.password=mamavvbb80!
+spring.datasource.password=root
+
+spring.cloud.aws.credentials.access-key=${AWS_ACCESS_KEY}
+spring.cloud.aws.credentials.secret-key=${AWS_SECRET_KEY}
 
-spring.cloud.aws.credentials.access-key=AKIAZVUEKDRH7LNRLA66
-spring.cloud.aws.credentials.secret-key=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
 spring.cloud.aws.region.static=ap-northeast-2
 spring.cloud.aws.s3.bucket=shinchonton