index.js

// Import required modules
const express = require("express"); // Express framework for handling HTTP requests
const path = require("path"); // Node.js module for working with file and directory paths

// Create an instance of an Express application
const app = express();

// Define the port number for the server to listen on
const PORT = 3000;

// Set the view engine to EJS (Embedded JavaScript)
// This allows us to render dynamic HTML templates using EJS
app.set("view engine", "ejs");

// Import the routes file from the "routes" directory
// This keeps our route logic organized in a separate file
const routes = require("./routes/routes");

// Use the imported routes for handling requests
// The "/" means that these routes apply to the root of the site
app.use("/", routes);

// Start the server and listen for incoming requests on the defined port
app.listen(PORT, () => {
  console.log(`Server running on http://localhost:${PORT}`); // Log a message when the server starts
});