Server. Js

const express = require('express');

const path = require('path');

const app = express();

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

// Middleware to serve static files from the React app

app.use(express.static(path.join(__dirname, 'client/build')));

// API route example

app.get('/api/greet', (req, res) => {

  res.json({ message: 'Hello from the server!' });

});

// Catch-all handler to return the React app for unknown routes

app.get('*', (req, res) => {

  res.sendFile(path.join(__dirname, 'client/build', 'index.html'));

});

// Start the server

app.listen(PORT, () => {

  console.log(`Server is running on http://localhost:${PORT}`);

});