app.js

require('dotenv').config();
require('express-async-errors');

const express = require('express');
const morgan = require('morgan');
const cookieParser = require('cookie-parser');
const connectDB = require('./db/connect');
const fileUpload = require('express-fileupload');
const rateLimiter = require('express-rate-limit');
const helmet = require('helmet');
const xss = require('xss-clean');
const cors = require('cors');
const mongoSanitize = require('express-mongo-sanitize');

const authRouter = require('./routes/auth');
const userRouter = require('./routes/user');
const productRouter = require('./routes/product');
const reviewRouter = require('./routes/review');
const orderRouter = require('./routes/order');

const notFoundMiddleware = require('./middleware/not-found');
const errorHandlerMiddleware = require('./middleware/error-handler');

const app = express();

app.set('trust proxy', 1);
app.use(
  rateLimiter({
    windowMs: 15 * 60 * 1000,
    max: 60,
  })
);
app.use(helmet());
app.use(cors());
app.use(xss());
app.use(mongoSanitize());

app.use(express.json());
app.use(cookieParser(process.env.JWT_SECRET));

app.use(express.static('./public'));
app.use(fileUpload());

app.get('/', (req, res) => {
  res.send('<h1>e-commerce api</h1>');
});

app.use('/api/v1/auth', authRouter);
app.use('/api/v1/users', userRouter);
app.use('/api/v1/products', productRouter);
app.use('/api/v1/reviews', reviewRouter);
app.use('/api/v1/orders', orderRouter);

app.use(notFoundMiddleware);
app.use(errorHandlerMiddleware);

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

const start = async () => {
  try {
    await connectDB(process.env.MONGO_URL);
    app.listen(PORT, () => {
      console.log(`Server is listening on port ${PORT}...`);
    });
  } catch (error) {
    console.log(error);
  }
};

start();