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Amazon ECS Express Mode now supports custom task definitions

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AWS·1 week ago · Jul 1, 2026, 04:05 PMFeatureAI-assisted summary

Summary

Express Mode now accepts custom ECS task definitions, enabling reuse of existing configurations and advanced task-level settings.
Supports advanced features like sidecars, custom health checks, ulimits, Linux runtime settings, and FireLens log routing within Express Mode.
Task definitions can be associated or updated via Console, CLI, SDKs, or IaC while retaining Express Mode’s simplified deployment experience.

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