Scaling up Node.js Socket Server with Nginx and Redis | subscriber.js & publisher.js

publisher.js

const redis = require('redis');
const publisher = redis.createClient();

publisher.publish('my channel', 'hi');
publisher.publish('my channel', 'hello world');

subscriber.js

const redis = require('redis');
const subscriber = redis.createClient();

subscriber.on('message', (channel, message) => {
    console.log(`Message "${message}" on channel "${channel}" arrived!`)
});

subscriber.subscribe('my channel');