ECS vs EKS: which to pick?
EKS gives you full Kubernetes — every feature, every integration, every headache. ECS gives you containers on AWS without the cluster ops tax.
The honest answer: if your team doesn't have a Kubernetes specialist, pick ECS. You'll ship faster and sleep better.
Where EKS wins: multi-cloud portability, complex service mesh requirements, existing k8s expertise on the team.
Where ECS wins: AWS-native stack, smaller team, cost control matters, you want Fargate serverless containers without managing nodes.
Most Series A/B startups on AWS are better off on ECS. The ones who picked EKS "for scale" are now paying someone to babysit nodes.
Full breakdown with cost comparison and migration notes:
https://fortem.dev/ecs-vs-eks
Teams always get stuck between ECS and EKS when traffic starts growing and ops time gets tight
What people miss is how much EKS adds in day to day upkeep around upgrades add ons and IAM wiring even before scaling issues show up
Curious if you’ve seen teams regret starting with EKS mainly for future proofing and then switching later