Ловлю 404 при попытке подключить js к локальному серверу http://127.0.0.1:5000/

# -*- coding: utf-8 -*-
 
from flask import Flask, request, render_template, flash
from flask_sqlalchemy import SQLAlchemy
from flask_cors import CORS
import config as config
 
app = Flask(__name__, template_folder='templates')
CORS(app)
app.config.from_object(config)
 
db = SQLAlchemy(app)
 
@app.route('/', methods=['GET', 'POST'])
def index():
    from models import Post, Comments
    from form import PostForm, CommentsForm
 
    if request.method == 'POST':
        print(request.form)
        form = PostForm(request.form)
        comments_form = CommentsForm(request.form)
 
        if form.validate():
            post = Post(**form.data)
            db.session.add(post)
            db.session.commit()
            flash('Post created!')
        elif comments_form.validate():
            print(comments_form.data)
            comm = Comments(**comments_form.data)
            db.session.add(comm)
            db.session.commit() 
            flash('Comms created!')
        else:
            flash('Form is not valid! Post was not created.')
            flash(str(form.errors))
    posts = Post.query.all()
    comms = Comments.query.all()
    return render_template('basic_template.html', posts = posts, comms=comms)
 
if __name__ == '__main__':
    from models import *
 
    db.create_all()
    app.run(debug=True, use_reloader=True)