app.js

require("dotenv").config();

const mongoose = require("mongoose");
const express = require("express");
const app = express();
var bodyParser = require("body-parser");
// cookie-parser helps us to create or put some values to the cookies or delete some value from cookies
var cookieParser = require("cookie-parser");
var cors = require("cors");

// My Routes
const authRoutes = require("./routes/auth");
const userRoutes = require("./routes/user");
const categoryRoutes = require("./routes/category");
const productRoutes = require("./routes/product");
const orderRoutes = require("./routes/order");
const paymentBraintreeRoutes = require("./routes/paymentBraintreeRoutes");

mongoose
  .connect(process.env.DATABASE_URI, {
    useNewUrlParser: true, // This is compulory
    useUnifiedTopology: true, // It helps us keep our database connection alive
    useCreateIndex: true, // You can read about all these more in mongoose docs
  })
  .then(() => {
    console.log("DB CONNECTED!");
  })
  .catch(() => {
    console.log("DB CONNECTION FAILED!");
  });

// Middleware
app.use(bodyParser.json());
app.use(cookieParser());
app.use(cors());

// My Routes
app.use("/api", authRoutes);
app.use("/api", userRoutes);
app.use("/api", categoryRoutes);
app.use("/api", productRoutes);
app.use("/api", orderRoutes);
app.use("/api", paymentBraintreeRoutes);

// PORT
const port = process.env.PORT || 1337;

app.listen(port, () => {
  console.log(`App is running at ${port}`);
});