How can i change my http://localhost:3000/ to http://10.0.2.2:3000 proxy ip? how can i change in my server i have done in my client app but now i can to change in my server i am using socketio and socketio client i just want to my server run in http://10.0.2.2:3000

my server code

const express = require('express');
var bodyParser = require('body-parser');
const app = express();
const http = require('http');
const server = http.createServer(app);
const { Server } = require("socket.io");
const io = new Server(server);
const port = process.env.PORT || 3000;

require('./src/config/database')
const user_routes = require('./src/user/users.routes');


app.use(bodyParser.urlencoded({extended: true}))
app.use(express.json())

app.get('/', (req, res) => {
  res.sendFile(__dirname + '/index.html');
});

app.use('/User', user_routes)
io.on('connection', (socket) => {
  console.log('a user connected');


  socket.on('send_message',(data)=>{
    console.log("received message in server side",data)
    io.emit('received_message',data)
  })

  socket.on('disconnect', () => {
    console.log('user disconnected');
  });
  
});

server.listen(port, () => {
  console.log( `Server running at http://localhost:${port}/`);
});