// User schema const userSchema = new mongoose.Schema({ username: String, password: String, salt: String });

// Login user app.post('/login', async (req, res) => { const { username, password } = req.body; const user = await User.findOne({ username }); if (!user) return res.status(401).send('Invalid credentials');

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