
This a comprehensive guide for how to containerize your Mongo/Express/React/Node (MERN) app with Docker and deploy it to Amazon Web Service (AWS) Elastic Container Service (ECS). I will share my research and lessons learned deploying a MERN app, including what worked, what didn’t work, how I prepared the app for deployment and accomplished the deployment.

This post is part of the Web Developer Playbook series, which are created to provide examples, best practice, and suggestions for designing and building web services. I will be using libraries from the JavaScript ecosystem (e.g., Node.js, React.js) in all my examples.