Tất cả câu hỏi

const express = require('express');
const mongoose = require('mongoose');
const app = express();

const userSchema = new mongoose.Schema({ name: String });
const User = mongoose.model('User', userSchema);
app.get('/api/users/search', async (req, res) => {
  const { name } = req.query;
  const users = await User.find({ name: new RegExp(name, 'i') });
  res.json(users);
});
app.listen(3000);

const express = require('express');
const app = express();
const logger = (req, res, next) => {
  req.log = `${req.method} ${req.url}`;
  next();
};
const restrict = (req, res, next) => {
  if (!req.query.token) {
    res.status(403).send('Forbidden');
  } else {
    next();
  }
};
app.use(logger);
app.get('/profile', restrict, (req, res) => {
  res.json({ log: req.log, user: 'Alice' });
});
app.listen(3000);

const mongoose = require('mongoose');
const userSchema = new mongoose.____({
  name: String,
  age: Number
});

const express = require('express');
const app = express();

app.get('/users', (req, res) => {
  res.send('GET request to the /users endpoint');
});

app.post('/users', (req, res) => {
  res.send('POST request to the /users endpoint');
});

app.listen(3000, () => {
  console.log('Server running on port 3000');
});