Eks
2025
Migrating Amazon EKS Nodes to Amazon Linux 2023 (AL2023) from Amazon Linux 2 (AL2) Using CloudFormation and Troposphere
Introduction
In this post, we’ll explain how we extended our existing AWS CloudFormation infrastructure, built using Troposphere, to support the use of Amazon Linux 2023 (AL2023) for Amazon EKS (Elastic Kubernetes Service) nodes. This migration was necessary to ensure compatibility ahead of our planned upgrade to Kubernetes version 1.33.