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Announcing software version consistency for Amazon ECS services

Containers Blog

This article announces a new feature for Amazon Elastic Container Service (ECS): software version consistency. It ensures that the same container image is used throughout the lifecycle of a deployment, increasing security and consistency of applications deployed as Amazon ECS services.

Specifically, the article covers:

  • Background on container image tags, their mutable nature, and potential security risks
  • How Amazon ECS now resolves container image tags to their immutable image digests for each deployment
  • The new deployment order for Amazon ECS services, ensuring consistent image digests are used
  • A walkthrough of the new feature, including how to verify image digests in tasks and deployment events
  • Conclusion highlighting the benefits of improved reliability and security for containerized applications
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