nginx配置

upstream nodes {            ip_hash;       		server 192.168.1.114:3000;            server 192.168.1.114:3001;            server 192.168.1.114:3002;}server {    listen 80;    server_name ws;    index index.html index.htm index.php;    location /{		proxy_pass http://nodes; #反向代理集群		proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;		proxy_set_header Host $http_host;		proxy_set_header X-NginX-Proxy true;		proxy_redirect off;		proxy_http_version 1.1;		proxy_set_header Upgrade $http_upgrade;		proxy_set_header Connection "upgrade";    }}

socket.io

var express = require('express');var app = express();var path = require('path');var server = require('http').createServer(app);var io = require('socket.io')(server);var port = process.env.PORT || 3000;server.listen(port, () => {    console.log('Server listening at port %d', port);});

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