app.py

from flask import Flask, request
from flask_restful import Resource, Api
from models import db, User
from config import Config

app = Flask(__name__)
app.config.from_object(Config)
api = Api(app)

db.init_app(app)

with app.app_context():
    db.create_all()

class UserList(Resource):
    def get(self):
        users = User.query.all()
        return [u.to_dict() for u in users], 200

    def post(self):
        data = request.json
        new_user = User(username=data['username'], email=data['email'])
        db.session.add(new_user)
        db.session.commit()
        return new_user.to_dict(), 201

api.add_resource(UserList, '/users')

if __name__ == '__main__':
    app.run(debug=True)