wss域名搭建

sudo certbot certonly --standalone -d yourdomain.com -d www.yourdomain.com

server {
    listen 80;
    server_name yourdomain.com www.yourdomain.com;
    return 301 https://$host$request_uri;
}

server {
    listen 443 ssl;
    server_name yourdomain.com www.yourdomain.com;

    ssl_certificate /etc/letsencrypt/live/yourdomain.com/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/yourdomain.com/privkey.pem;

    location / {
        proxy_pass http://localhost:3000;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        proxy_set_header Host $host;
    }
}

const WebSocket = require('ws');
const fs = require('fs');
const https = require('https');

const server = https.createServer({
    cert: fs.readFileSync('/etc/letsencrypt/live/yourdomain.com/fullchain.pem'),
    key: fs.readFileSync('/etc/letsencrypt/live/yourdomain.com/privkey.pem')
});

const wss = new WebSocket.Server({ server });

wss.on('connection', function connection(ws) {
    ws.on('message', function incoming(message) {
        console.log('received: %s', message);
    });

    ws.send('something');
});

server.listen(3000, function listening() {
    console.log('Listening on %d', server.address().port);
});