index.js

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

const connectDB = require('./config/db');
const userRoutes = require('./routes/userRoutes');

connectDB();
const app = express();

// We are using this for the express-rate-limit middleware
// See: https://github.com/nfriedly/express-rate-limit
app.set('trust proxy', 1);

app.use(express.json());
app.use(helmet());
app.use(cors());
//root route
app.get('/', (req, res) => {
  res.send('App works properly!');
});

app.use('/api/user/', userRoutes);

// Use express's default error handling middleware
app.use((err, req, res, next) => {
  if (res.headersSent) return next(err);
  res.status(400).json({ err: err });
});

const PORT = process.env.PORT || 5000;

// app.listen(PORT, () => console.log(`server running on port ${PORT}`));

app.listen(PORT, () => console.log(`server running on port ${PORT}`));