* 겪고 있는 문제 상황을 최대한 자세하게 작성해주세요.

* 문제 해결을 위해 어떤 시도를 해보았는지 구체적으로 함께 알려주세요.

localhost:5000 홈페이지 들어가서 기록하기를 누르면 눌리지는않고

에러메세지가 나옵니다

from flask import Flask, render_template, request, jsonify
app = Flask(__name__)

from pymongo import MongoClient
client = MongoClient('mongodb+srv://test:sparta@cluster0.1b5trqs.mongodb.net/Cluster0?retryWrites=true&w=majority')
db = client.dbsparta

@app.route('/')
def home():
   return render_template('index.html')

@app.route("/bucket", methods=["POST"])
def bucket_post():
    bucket_receive = request.form['bucket']

    bucket_list = list(db.bucket.find({}, {'_id': False}))
    count = len(bucket_list) + 1

    doc = {
        'num':count,
        'bucket':bucket_receive,
        'done':0
    }

    db.bucket.insert_one(doc)

    return jsonify({'msg': '등록 완료!'})

@app.route("/bucket/done", methods=["POST"])
def bucket_done():
    sample_receive = request.form['sample_give']
    print(sample_receive)
    return jsonify({'msg': 'POST(완료) 연결 완료!'})

@app.route("/bucket", methods=["GET"])
def bucket_get():
    return jsonify({'msg': 'GET 연결 완료!'})

if __name__ == '__main__':
   app.run('0.0.0.0', port=5000, debug=True)

function save_bucket(){
    let bucket = $('#bucket').val()

    $.ajax({
        type: "POST",
        url: "/bucket",
        data: {bucket_give:bucket},
        success: function (response) {
            alert(response["msg"])
            window.location.reload()
        }
    });
}

C:\Users\택\Desktop\sparta\projects\bucket\venv\Scripts\python.exe C:\Users\택\Desktop\sparta\projects\bucket\app.py 

 * Serving Flask app 'app'

 * Debug mode: on

WARNING: This is a development server. Do not use it in a production deployment. Use a production WSGI server instead.

 * Running on all addresses (0.0.0.0)

 * Running on http://127.0.0.1:5000

 * Running on http://192.168.55.61:5000

Press CTRL+C to quit

 * Restarting with stat

 * Debugger is active!

 * Debugger PIN: 145-301-500

127.0.0.1 - - [01/Feb/2023 18:29:58] "GET / HTTP/1.1" 200 -

127.0.0.1 - - [01/Feb/2023 18:29:58] "GET /bucket HTTP/1.1" 200 -

127.0.0.1 - - [01/Feb/2023 18:30:01] "POST /bucket HTTP/1.1" 500 -

Traceback (most recent call last):

 File "C:\Users\택\Desktop\sparta\projects\bucket\venv\lib\site-packages\flask\app.py", line 2548, in __call__

  return self.wsgi_app(environ, start_response)

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

  response = self.handle_exception(e)

 File "C:\Users\택\Desktop\sparta\projects\bucket\venv\lib\site-packages\flask\app.py", line 2525, in wsgi_app

  response = self.full_dispatch_request()

 File "C:\Users\택\Desktop\sparta\projects\bucket\venv\lib\site-packages\flask\app.py", line 1822, in full_dispatch_request

  rv = self.handle_user_exception(e)

 File "C:\Users\택\Desktop\sparta\projects\bucket\venv\lib\site-packages\flask\app.py", line 1820, in full_dispatch_request

  rv = self.dispatch_request()

 File "C:\Users\택\Desktop\sparta\projects\bucket\venv\lib\site-packages\flask\app.py", line 1796, in dispatch_request

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

 File "C:\Users\택\Desktop\sparta\projects\bucket\app.py", line 14, in bucket_post

  bucket_receive = request.form['bucket']

 File "C:\Users\택\Desktop\sparta\projects\bucket\venv\lib\site-packages\werkzeug\datastructures.py", line 375, in __getitem__

  raise exceptions.BadRequestKeyError(key)

werkzeug.exceptions.BadRequestKeyError: 400 Bad Request: The browser (or proxy) sent a request that this server could not understand.

KeyError: 'bucket'