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Scaling Node.js with Docker

This project shows how to scale a Node.js application with Docker Compose and use multiple CPU cores. It's similar to cluster mode in PM2, but with a few fundemantal differences. Read more in the accompanying article — From PM2 to Docker: Cluster Mode.

Getting started

  1. Clone this repository git clone https://github.com/Maximization/scaling-nodejs-with-docker.git && cd scaling-nodejs-with-docker

  2. Start the application stack scaled to four app instances docker-compose up -d --scale app=4

  3. Visit http://localhost in your browser

  4. Hit refresh and you will see sequential responses from each application instance