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Dev tools · December 16, 2022

SP

Simple pub/sub using WebSockets in Node.js

I built this pubsub module because I wanted a simple solution that uses only node. Why did I want pubsub? I wanted to build a complex app but segregate it into microservices that work together through event messages. I also wanted to use this method instead of node's built-in clustering for multiple instances. I've been running it for a few weeks now with several messages per second bugfree. I plan to use this setup for future apps as it reduces complexity of the code and allows me to restart/update one part of the app without interrupting the other parts. I would love to receive…

In plain words

This is a Node.js pub/sub module that uses WebSockets to enable microservices to communicate through event messages. It is designed for developers building complex applications who want to segregate code into independent services that can be updated or restarted without disrupting other parts. The module allows multiple Node.js instances to work together without relying on built-in clustering, and has been tested with several messages per second over several weeks of operation.

written from the facts on this page · September 2026

From the sources

In the maker’s words, at launch

I built this pubsub module because I wanted a simple solution that uses only node. Why did I want pubsub? I wanted to build a complex app but segregate it into microservices that work together through event messages. I also wanted to use this method instead of node's built-in clustering for multiple instances. I've been running it for a few weeks now with several messages per second bugfree. I plan to use this setup for future apps as it reduces complexity of the code and allows me to restart/update one part of the app without interrupting the other parts. I would love to receive feedback and suggestions on the code and features, and hope it can be useful to you also!

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