How to Deploy a Dockerised Application on AWS ECS With Terraform

Go from creating a simple Node app to having it containerized, load-balanced, and deployed

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In this post, I will guide you through the process of deploying a Node app on AWS ECS with Terraform.

Guide Overview

We will follow these steps:

1. Create a simple Node app and run it locally.
2. Dockerize the Node app.
3. Create an image repository on AWS ECR and push the image.
4. Create an AWS ECS cluster.
5. Create an AWS ECS task.
6. Create an AWS ECS service.
7. Create a load balancer.

The technologies used in this guide are:

• Amazon ECS — a fully managed container orchestration service
• Amazon ECR — a fully-managed Docker container registry
• Terraform — an open-source infrastructure as code tool

Prerequisites

• An AWS account
• Node installed
• Docker installed and some experience using it
• Terraform installed