AWS EKS Explained: When Should You Use Kubernetes on AWS?

Learn when Amazon EKS makes sense, when it’s overkill, and how it compares with EC2, ECS, and Fargate for deploying applications on AWS.

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If you’ve worked with Kubernetes, you’ve probably heard of Amazon Elastic Kubernetes Service (EKS).

But the more important question isn’t “Can I deploy my application on EKS?”

It’s:

“When should I actually consider using EKS?”

Let’s keep this practical.

What Is Amazon EKS?

Amazon EKS (Elastic Kubernetes Service) is AWS’s managed Kubernetes service.

Instead of managing Kubernetes yourself, AWS takes care of much of the Kubernetes control plane infrastructure while you focus on running your applications inside the cluster.

A simplified architecture looks like this:

Developer
    ↓
Docker Image
    ↓
Amazon ECR
    ↓
Amazon EKS
    ↓
Kubernetes Pods
    ↓
Services / Ingress
    ↓
AWS Load Balancer
    ↓
Users

Your application is packaged as a container and deployed to Kubernetes.