· Palaniappan P
· 5 min read
GitOps on Amazon EKS (2026): Argo CD vs Flux, App-of-Apps, and the Decisions That Actually Bite
AWS Prescriptive Guidance says Argo CD and Flux both handle most GitOps scenarios capably — so picking one is a fit decision, not a winner. The decisions that actually cause incidents are the ones underneath: plaintext secrets in the GitOps repo, CI running kubectl apply and reintroducing drift, no App-of-Apps so onboarding is click-ops, and repo topology you can't change later. Here is the Argo CD vs Flux matrix, an App-of-Apps example, and the five traps independent of tool.