ecomm/src/index.ts

import express from 'express';
import mongoose from 'mongoose';
import cookieParser from 'cookie-parser';

import userRouter from './routes/userRouter';
import productRouter from './routes/productRouter';
import cartRouter from './routes/cartRoute';

const env = require('dotenv').config().parsed;

const app = express();
const PORT = env.PORT || 3000;

app.use(express.json());
app.use(cookieParser())

// Connect to MongoDB using Mongoose
mongoose.connect(env.DATABASE_URL);

const db = mongoose.connection;

// Check for DB connection
db.on('error', () => {
  console.error.bind(console, 'MongoDB connection error:')
  process.exit(1);
});
db.once('open', () => {
  console.log('Connected to MongoDB');
});

// Routes
app.use('/users', userRouter);
app.use('/products', productRouter);
app.use('/cart', cartRouter);

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