App Runner vs ECS: Choosing the Best AWS Container Service Deploying containerized applications on Amazon Web Services (AWS) requires choosing the appropriate balance between operational simplicity and architectural control. For years, developers weighed the hands-off simplicity of AWS App Runner against the powerful, highly configurable orchestration of Amazon Elastic Container Service (Amazon ECS).
However, a major platform shift has altered this decision landscape. AWS has placed AWS App Runner into maintenance mode, meaning it will no longer accept new customers as of April 30, 2026. In its place, AWS introduces Amazon ECS Express Mode, a streamlined feature designed to inherit the zero-ops developer experience of App Runner while running directly on the robust ECS backbone.
Understanding the structural differences between App Runner and ECS remains critical for maintaining legacy infrastructures and evaluating the new ECS Express Mode. At a Glance: Feature Comparison
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