[feat] : 로그아웃 API 기존 쿠키 삭제 로직 추가

src/main/java/com/dnd/gongmuin/auth/cotroller/AuthController.java

@@ -66,9 +66,9 @@ public ResponseEntity<SignUpResponse> signUp(
 	@Operation(summary = "로그아웃 API", description = "로그아웃한다.")
 	@ApiResponse(useReturnTypeSchema = true)
 	@PostMapping("/logout")
-	public ResponseEntity<LogoutResponse> logout(HttpServletRequest request) {
-		LogoutResponse response = authService.logout(request);
-		return ResponseEntity.ok(response);
+	public ResponseEntity<LogoutResponse> logout(HttpServletRequest request, HttpServletResponse response) {
+		LogoutResponse logoutResponse = authService.logout(request, response);
+		return ResponseEntity.ok(logoutResponse);
 	}
 
 	@Operation(summary = "토큰 재발급 API", description = "토큰을 재발급한다.")

src/main/java/com/dnd/gongmuin/auth/service/AuthService.java

@@ -116,7 +116,7 @@ public SignUpResponse signUp(AdditionalInfoRequest request, String email) {
 		return new SignUpResponse(foundMember.getNickname());
 	}
 
-	public LogoutResponse logout(HttpServletRequest request) {
+	public LogoutResponse logout(HttpServletRequest request, HttpServletResponse response) {
 		String accessToken = cookieUtil.getCookieValue(request);
 
 		if (!tokenProvider.validateToken(accessToken, new Date())) {
@@ -138,6 +138,8 @@ public LogoutResponse logout(HttpServletRequest request) {
 			throw new NotFoundException(MemberErrorCode.LOGOUT_FAILED);
 		}
 
+		cookieUtil.deleteCookie(response);
+
 		return new LogoutResponse(true);
 	}