بناء واجهة خلفية باستخدام Node.js و Express

mkdir backend-api
cd backend-api
npm init -y
npm install express mongoose cors dotenv

const express = require('express');
const mongoose = require('mongoose');
const cors = require('cors');
require('dotenv').config();

const app = express();
app.use(express.json());
app.use(cors());

app.get('/', (req, res) => {
  res.send('API تعمل بنجاح!');
});

const PORT = process.env.PORT || 5000;
app.listen(PORT, () => console.log(`الخادم يعمل على المنفذ ${PORT}`));

const mongoose = require('mongoose');

const UserSchema = new mongoose.Schema({
  name: String,
  email: String,
  password: String
});

module.exports = mongoose.model('User', UserSchema);

const express = require('express');
const User = require('../models/User');
const router = express.Router();

router.post('/register', async (req, res) => {
  const { name, email, password } = req.body;
  const user = new User({ name, email, password });
  await user.save();
  res.status(201).json(user);
});

router.get('/users', async (req, res) => {
  const users = await User.find();
  res.json(users);
});

module.exports = router;

mongoose.connect(process.env.MONGO_URI, {
  useNewUrlParser: true,
  useUnifiedTopology: true
}).then(() => console.log('متصل بقاعدة البيانات')).catch(err => console.log(err));

node server.js