At the moment, our main server is being hosted on localhost:3000. In order to run our socket.io function, we must also run it on the same server. However, we currently need to run it separately using npm start. Is there a method for running them simultaneously or on the same server without causing crashing issues?
Using socket.io in a separate process is not possible, as the operating system only allows one process to have a listening server on a specific port. If you want to run socket.io alongside another web server, you can do so by using a proxy like nginx to direct traffic to different servers on different ports.
If you are considering starting "npm start separately," there may be a better way to solve your underlying issue without needing to split the servers into separate processes. It's important to understand the actual problem at hand rather than focusing on a specific solution that may not be the most effective approach.
By properly defining the problem, we can explore alternative solutions such as delaying the start of the socket.io server or configuring the servers to meet certain requirements before allowing connections. This way, we can address the real issue at hand rather than getting caught up in potential XY problems.
This is a straightforward example of SocketIo Server Code.
Remember, this is the server-side code and not for the client.
Make sure to install SocketIO via npm.
const express = require('express');
const http = require('http');
const SocketIo = require('socket.io');
const app = express();
app.set('view engine', 'pug');
app.set('views', __dirname + '\\views');
app.use('/public', express.static(__dirname + '/public'));
app.get('/', (req, res) => res.render('home'));
const handleListen = () => console.log('Listening on http://localhost:3000');
const httpServer = http.createServer(app);
const wsServer = SocketIo(httpServer);
wsServer.on('connection', (socket) => {
console.log('someone joined!')
socket.on('join_room', (roomName) => {
socket.join(roomName);
socket.to(roomName).emit('welcome');
});
});
httpServer.listen(3000, handleListen);
For further information, please refer to the official documentation. https://socket.io/get-started/chat
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