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Amazon ECR now supports pull through cache for Chainguard

Published
March 18, 2026
https://aws.amazon.com/about-aws/whats-new/2026/03/amazon-ecr-pull-through-cache-chainguard/

Amazon ECR Pull Through Cache Now Supports Chainguard Registry

Amazon ECR's pull through cache now supports Chainguard’s registry as an upstream source, providing customers with enhanced security and availability for private Chainguard images. This feature allows customers to keep Chainguard images synchronized with Chainguard's registry without additional workflows or tools.

What to do

  • Review the documentation to get started with ECR's pull through cache for Chainguard.
  • Apply ECR features such as image scanning and lifecycle policies to your cached Chainguard images.

Source: AWS release notes




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