Choosing between Amazon ECS, EKS, and self-managed Kubernetes depends on the size and nature of your project: Small deployments prefer ECS due to its seamless deployment and configuration. Large or hybrid deployments prefer EKS due to stronger customization and improved portability between clouds and on-premise systems. Legacy workloads transitioning to a containerized environment may gain the most from using plain Kubernetes, as it will allow you to build a dev/test/production environment on-premises, and then move it to the cloud if and when required. Read more about AWS ECS & Kubernetes