localhost5000 실행 과정에서 등록하기가 안되고 페이지를 찾을 수 없다고 나옵니다.

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

from pymongo import MongoClient
client = MongoClient('mongodb+srv://test:sparta@cluster0.iqazevu.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_give']

    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()
        }
    });
}