oldIndex.js

// Import modules required to build server
const http = require("http");
const fs = require("fs");
const path = require("path")
const dotenv = require("dotenv")
dotenv.config()

// Let's make a server
const PORT = process.env.PORT || 3300;

const server = http.createServer((req, res) => {
    const products = [
        {
            id: 1,
            name: "Laptop",
            price: 1000
        },
        {
            id: 2,
            name: "Mobile",
            price: 500
        }
    ]

    if (req.url === "/api/products") {
        res.writeHead(200, { "Content-Type": "application/json" });
        res.end(JSON.stringify(products))
    } 
    else {
        fs.readFile(path.join(__dirname, "public", "index.html"), (err, data) => {
            if (err) {
                res.writeHead(500, {"Content-Type": "text/html"});
                res.end("<h1>Internal Server Error</h1>");
            }
            else {
                res.writeHead(200, {"Content-Type": "text/html"});
                res.end(data)
            }
        })
    }
})

// Listen the server
server.listen(PORT, () => console.log(`Server is running on port ${PORT}`))