---
title: "Publish/Subscribe Pattern in Node.js"
url: https://daily.dev/posts/publish-subscribe-pattern-in-node-js-dzuagmsvs
source_url: https://www.digitalocean.com/community/tutorials/publish-subscribe-pattern-in-node-js
type: article
source: "Community Picks"
published: 2024-04-21T16:19:29.633Z
updated: 2024-05-09T09:09:48.658Z
tags: ["nodejs", "websocket"]
reading_time: 11
upvotes: 44
comments: 0
language: en
---

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# Publish/Subscribe Pattern in Node.js

**[Community Picks](https://daily.dev/sources/community)** · 11 min read · 44 upvotes · 0 comments

## Summary

Learn how to implement the Publish/Subscribe (Pub/Sub) pattern in Node.js to create a real-time chat application. This tutorial explores the use of a message broker (Redis) to facilitate communication between publishers and subscribers. The server-side implementation involves creating a basic Node.js server, reading and serving an HTML file, and utilizing WebSocket connections. Multiple server instances can be integrated using Redis, enabling seamless chat messaging across servers.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://www.digitalocean.com/community/tutorials/publish-subscribe-pattern-in-node-js>

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---

Tags: [#nodejs](https://daily.dev/tags/nodejs), [#websocket](https://daily.dev/tags/websocket)

[View this post on daily.dev](https://daily.dev/posts/publish-subscribe-pattern-in-node-js-dzuagmsvs)