* 겪고 있는 문제 상황을 최대한 자세하게 작성해주세요.

* 문제 해결을 위해 어떤 시도를 해보았는지 구체적으로 함께 알려주세요.

Mongo DB연결이 됬는데

index.html 코드도 정상인데.

페이지 에서 저장 했을경우.

터미널 창에 오류가 표시 됩니다.

작성한 코드 및 에러 메세지

Traceback (most recent call last):

 File "C:\Users\USER\Desktop\sparta\proejcts\04.bucket\venv\lib\site-packages\flask\app.py", line 2551, in __call__

  return self.wsgi_app(environ, start_response)

 File "C:\Users\USER\Desktop\sparta\proejcts\04.bucket\venv\lib\site-packages\flask\app.py", line 2531, in wsgi_app

  response = self.handle_exception(e)

 File "C:\Users\USER\Desktop\sparta\proejcts\04.bucket\venv\lib\site-packages\flask\app.py", line 2528, in wsgi_app

  response = self.full_dispatch_request()

 File "C:\Users\USER\Desktop\sparta\proejcts\04.bucket\venv\lib\site-packages\flask\app.py", line 1825, in full_dispatch_request

  rv = self.handle_user_exception(e)

 File "C:\Users\USER\Desktop\sparta\proejcts\04.bucket\venv\lib\site-packages\flask\app.py", line 1823, in full_dispatch_request

  rv = self.dispatch_request()

 File "C:\Users\USER\Desktop\sparta\proejcts\04.bucket\venv\lib\site-packages\flask\app.py", line 1799, in dispatch_request

  return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  

 File "c:\Users\USER\Desktop\sparta\proejcts\04.bucket\app.py", line 19, in bucket_post

  db.bucket.insert_one(doc)

 File "C:\Users\USER\Desktop\sparta\proejcts\04.bucket\venv\lib\site-packages\pymongo\collection.py", line 628, in insert_one

  self._insert_one(

 File "C:\Users\USER\Desktop\sparta\proejcts\04.bucket\venv\lib\site-packages\pymongo\collection.py", line 569, in _insert_one

  self.__database.client._retryable_write(acknowledged, _insert_command, session)

 File "C:\Users\USER\Desktop\sparta\proejcts\04.bucket\venv\lib\site-packages\pymongo\mongo_client.py", line 1476, in _retryable_write

  return self._retry_with_session(retryable, func, s, None)

 File "C:\Users\USER\Desktop\sparta\proejcts\04.bucket\venv\lib\site-packages\pymongo\mongo_client.py", line 1349, in _retry_with_session

  return self._retry_internal(retryable, func, session, bulk)

 File "C:\Users\USER\Desktop\sparta\proejcts\04.bucket\venv\lib\site-packages\pymongo\_csot.py", line 105, in csot_wrapper

  return func(self, *args, **kwargs)

 File "C:\Users\USER\Desktop\sparta\proejcts\04.bucket\venv\lib\site-packages\pymongo\mongo_client.py", line 1381, in _retry_internal

  with self._get_socket(server, session) as sock_info:

 File "C:\Users\USER\AppData\Local\Programs\Python\Python38\lib\contextlib.py", line 113, in __enter__

  return next(self.gen)

 File "C:\Users\USER\Desktop\sparta\proejcts\04.bucket\venv\lib\site-packages\pymongo\mongo_client.py", line 1217, in _get_socket

  with server.get_socket(handler=err_handler) as sock_info:

 File "C:\Users\USER\AppData\Local\Programs\Python\Python38\lib\contextlib.py", line 113, in __enter__

  return next(self.gen)

 File "C:\Users\USER\Desktop\sparta\proejcts\04.bucket\venv\lib\site-packages\pymongo\pool.py", line 1407, in get_socket

  sock_info = self._get_socket(handler=handler)

 File "C:\Users\USER\Desktop\sparta\proejcts\04.bucket\venv\lib\site-packages\pymongo\pool.py", line 1520, in _get_socket

  sock_info = self.connect(handler=handler)

 File "C:\Users\USER\Desktop\sparta\proejcts\04.bucket\venv\lib\site-packages\pymongo\pool.py", line 1378, in connect

  sock_info.authenticate()

 File "C:\Users\USER\Desktop\sparta\proejcts\04.bucket\venv\lib\site-packages\pymongo\pool.py", line 870, in authenticate

  auth.authenticate(creds, self)

 File "C:\Users\USER\Desktop\sparta\proejcts\04.bucket\venv\lib\site-packages\pymongo\auth.py", line 549, in authenticate

  auth_func(credentials, sock_info)

 File "C:\Users\USER\Desktop\sparta\proejcts\04.bucket\venv\lib\site-packages\pymongo\auth.py", line 475, in _authenticate_default

  return _authenticate_scram(credentials, sock_info, "SCRAM-SHA-1")

 File "C:\Users\USER\Desktop\sparta\proejcts\04.bucket\venv\lib\site-packages\pymongo\auth.py", line 241, in _authenticate_scram

  res = sock_info.command(source, cmd)

 File "C:\Users\USER\Desktop\sparta\proejcts\04.bucket\venv\lib\site-packages\pymongo\pool.py", line 767, in command

  return command(

 File "C:\Users\USER\Desktop\sparta\proejcts\04.bucket\venv\lib\site-packages\pymongo\network.py", line 166, in command

  helpers._check_command_response(

 File "C:\Users\USER\Desktop\sparta\proejcts\04.bucket\venv\lib\site-packages\pymongo\helpers.py", line 181, in _check_command_response

  raise OperationFailure(errmsg, code, response, max_wire_version)

pymongo.errors.OperationFailure: bad auth : authentication failed, full error: 

{'ok': 0, 'errmsg': 'bad auth : authentication failed', 'code': 8000, 'codeName': 'AtlasError'}

이런 메세지를 출력 되네요..ㅠ.ㅠ

오류 발생 시, 작성한 코드 전체와 에러 메시지를 첨부해 주세요.

Tip 1) </> 아이콘을 눌러 코드박스를 만들어 보세요.

Tip 2) Ctrl+A(맥의 경우 Command+A) 단축키로 코드를 한 번에 선택할 수 있어요!