diff --git a/src/main/java/com/knu/ddip/auth/business/service/OAuthLoginService.java b/src/main/java/com/knu/ddip/auth/business/service/OAuthLoginService.java
index 6599b6a..a6b7e99 100644
--- a/src/main/java/com/knu/ddip/auth/business/service/OAuthLoginService.java
+++ b/src/main/java/com/knu/ddip/auth/business/service/OAuthLoginService.java
@@ -145,7 +145,7 @@ public JwtResponse linkOAuthWithUser(User user, String oauthMappingEntityId,
         return generateTokensForUser(user.getId(), deviceType);
     }
 
-    private JwtResponse generateTokensForUser(UUID userId, DeviceType deviceType) {
+    public JwtResponse generateTokensForUser(UUID userId, DeviceType deviceType) {
         UserEntityDto userEntityDto = userRepository.getById(userId);
         UserFactory.create(userEntityDto.getId(), userEntityDto.getEmail(),
                 userEntityDto.getNickname(), userEntityDto.getStatus());
diff --git a/src/main/java/com/knu/ddip/auth/domain/TokenType.java b/src/main/java/com/knu/ddip/auth/domain/TokenType.java
index 5a7c734..1710fb6 100644
--- a/src/main/java/com/knu/ddip/auth/domain/TokenType.java
+++ b/src/main/java/com/knu/ddip/auth/domain/TokenType.java
@@ -1,6 +1,5 @@
 package com.knu.ddip.auth.domain;
 
-//TODO: 추후 KAKAO 추가 예정
 public enum TokenType {
     ACCESS, REFRESH
 }
diff --git a/src/main/java/com/knu/ddip/user/business/dto/DummyRequest.java b/src/main/java/com/knu/ddip/user/business/dto/DummyRequest.java
new file mode 100644
index 0000000..bffaf60
--- /dev/null
+++ b/src/main/java/com/knu/ddip/user/business/dto/DummyRequest.java
@@ -0,0 +1,7 @@
+package com.knu.ddip.user.business.dto;
+
+public record DummyRequest(
+        String email,
+        String nickname
+) {
+}
diff --git a/src/main/java/com/knu/ddip/user/business/service/UserService.java b/src/main/java/com/knu/ddip/user/business/service/UserService.java
index b91f5f3..e6ab091 100644
--- a/src/main/java/com/knu/ddip/user/business/service/UserService.java
+++ b/src/main/java/com/knu/ddip/user/business/service/UserService.java
@@ -4,6 +4,7 @@
 import com.knu.ddip.auth.business.service.OAuthLoginService;
 import com.knu.ddip.auth.domain.DeviceType;
 import com.knu.ddip.auth.exception.OAuthBadRequestException;
+import com.knu.ddip.user.business.dto.DummyRequest;
 import com.knu.ddip.user.business.dto.SignupRequest;
 import com.knu.ddip.user.business.dto.UniqueMailResponse;
 import com.knu.ddip.user.business.dto.UserEntityDto;
@@ -71,4 +72,18 @@ public JwtResponse signUp(SignupRequest request) {
             throw e;
         }
     }
+
+    @Transactional
+    public JwtResponse dummyLogin(DummyRequest dummyRequest) {
+        UserEntityDto userEntityDto = userRepository.findOptionalByEmail(dummyRequest.email())
+                .map(user -> userRepository.getByEmail(dummyRequest.email()))
+                .orElseGet(() -> userRepository.save(
+                        dummyRequest.email(),
+                        dummyRequest.nickname(),
+                        UserStatus.ACTIVE.name()
+                ));
+        User user = userEntityDto.toDomain();
+
+        return oAuthLoginService.generateTokensForUser(user.getId(), DeviceType.PHONE);
+    }
 }
diff --git a/src/main/java/com/knu/ddip/user/presentation/api/UserApi.java b/src/main/java/com/knu/ddip/user/presentation/api/UserApi.java
index d6a4d83..66d3fc5 100644
--- a/src/main/java/com/knu/ddip/user/presentation/api/UserApi.java
+++ b/src/main/java/com/knu/ddip/user/presentation/api/UserApi.java
@@ -1,6 +1,7 @@
 package com.knu.ddip.user.presentation.api;
 
 import com.knu.ddip.auth.business.dto.JwtResponse;
+import com.knu.ddip.user.business.dto.DummyRequest;
 import com.knu.ddip.user.business.dto.SignupRequest;
 import com.knu.ddip.user.business.dto.UniqueMailResponse;
 import io.swagger.v3.oas.annotations.Operation;
@@ -24,4 +25,9 @@ ResponseEntity<JwtResponse> signup(
             description = "메일이 사용 가능한지 조회한다. 휴면유저/탈퇴한 유저의 메일도 사용 불가.")
     ResponseEntity<UniqueMailResponse> checkEmailUniqueness(
             @RequestParam("v") String email);
+
+    @PostMapping("/dummy")
+    @Operation(summary = "[테스트용] 임시 로그인용 JWT 생성", description = "테스트를 위해 OAuth를 거치지 않고도 서버에서 사용 가능한 인증용 JWT를 생성한다. 주의: 만약 이미 존재하는 유저의 경우 닉네임이 입력한 email에 기반한 유저의 인증용 jwt가 생성되고, 닉네임은 입력한 닉네임이 아닌 기존의 닉네임으로 유지된다.")
+    ResponseEntity<JwtResponse> dummyLogin(
+            @RequestBody DummyRequest dummyRequest);
 }
diff --git a/src/main/java/com/knu/ddip/user/presentation/controller/UserController.java b/src/main/java/com/knu/ddip/user/presentation/controller/UserController.java
index 10f5da3..cd36b93 100644
--- a/src/main/java/com/knu/ddip/user/presentation/controller/UserController.java
+++ b/src/main/java/com/knu/ddip/user/presentation/controller/UserController.java
@@ -1,6 +1,7 @@
 package com.knu.ddip.user.presentation.controller;
 
 import com.knu.ddip.auth.business.dto.JwtResponse;
+import com.knu.ddip.user.business.dto.DummyRequest;
 import com.knu.ddip.user.business.dto.SignupRequest;
 import com.knu.ddip.user.business.dto.UniqueMailResponse;
 import com.knu.ddip.user.business.service.UserService;
@@ -33,6 +34,12 @@ public ResponseEntity<UniqueMailResponse> checkEmailUniqueness(
         return ResponseEntity.status(HttpStatus.ACCEPTED).body(result);
     }
 
+    @Override
+    public ResponseEntity<JwtResponse> dummyLogin(DummyRequest dummyRequest) {
+        JwtResponse jwtResponse = userService.dummyLogin(dummyRequest);
+        return ResponseEntity.ok(jwtResponse);
+    }
+
     //TODO: 로그아웃
     //TODO: 회원 탈퇴
     //TODO: user 정보 수정
diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties
index 30074d3..6ca187c 100644
--- a/src/main/resources/application.properties
+++ b/src/main/resources/application.properties
@@ -15,7 +15,7 @@ spring.data.redis.password=${REDIS_PASSWORD}
 # JPA
 spring.jpa.properties.hibernate.format_sql=true
 spring.jpa.show-sql=true
-spring.jpa.hibernate.ddl-auto=create
+spring.jpa.hibernate.ddl-auto=update
 spring.sql.init.mode=always
 spring.jpa.defer-datasource-initialization=true
 spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver