server.js

require('dotenv').config();

const express = require('express');
const bodyParser = require('body-parser');
const mongoose = require('mongoose');
const cloudinary = require('cloudinary').v2;
const fileupload = require('express-fileupload');
const listEndpoints = require('express-list-endpoints');
const cors = require('cors');
const cookieParser = require('cookie-parser');

const app = express();

const PORT = process.env['PORT'] | 3000;
// const SESSION_KEY = process.env.SESSION_KEY;
const MONGO_URI = process.env.MONGO_URI;
const CLOUDINARY_CLOUD_NAME = process.env.CLOUDINARY_CLOUD_NAME;
const CLOUDINARY_API_KEY = process.env.CLOUDINARY_API_KEY;
const CLOUDINARY_API_SECRET = process.env.CLOUDINARY_API_SECRET;

app.use(cookieParser());

app.use(
  cors({
    origin: ['http://localhost:5000', 'http://127.0.0.1'],
    credentials: true, // enable receive cookies
    exposedHeaders: ['set-cookie'],
  })
);

app.use(fileupload({ useTempFiles: true }));

app.use(function (req, res, next) {
  console.log('Request:', req.method, req.originalUrl);
  next();
});

app.use(
  bodyParser.urlencoded({
    extended: true,
    limit: '20mb',
  })
);
app.use(
  bodyParser.json({
    limit: '20mb',
  })
);

// Cloudinary configuration
cloudinary.config({
  cloud_name: CLOUDINARY_CLOUD_NAME,
  api_key: CLOUDINARY_API_KEY,
  api_secret: CLOUDINARY_API_SECRET,
});

mongoose
  .connect(MONGO_URI, { useNewUrlParser: true, useUnifiedTopology: true })
  .then((result) => {
    app.listen(PORT);
    console.log('mongoose connected succesfully');
    console.log('listening on port:', PORT);

    // Base
    app.get('/', (req, res) => {
      return res.json('ok');
    });

    // Routes Here
    const authRouter = require('./routes/auth-route');
    const userRouter = require('./routes/user-route');
    const productRouter = require('./routes/product-route');
    const orderRouter = require('./routes/order-route');
    const wishlistRouter = require('./routes/wishlist-route');
    const cartRouter = require('./routes/cart-route');
    const ratingRouter = require('./routes/rating-route');
    const commentRouter = require('./routes/comment-route');
    const searchRouter = require('./routes/search-route');
    const refundRouter = require('./routes/refund-route');

    app.use('/auth', authRouter);
    app.use('/user', userRouter);
    app.use('/product', productRouter);
    app.use('/order', orderRouter);
    app.use('/wishlist', wishlistRouter);
    app.use('/cart', cartRouter);
    app.use('/rating', ratingRouter);
    app.use('/comment', commentRouter);
    app.use('/search', searchRouter);
    app.use('/refund', refundRouter);

    listEndpoints(app).forEach((endpoint) => {
      console.log(endpoint.methods[0], endpoint.path);
    });
  })
  .catch((error) => {
    console.log(error);
    console.log('mongoose connection failed');
  });