Amazon ECR now supports cross-repository layer sharing to optimize storage and improve push performance
News
This article announces blob mounting support in Amazon ECR, enabling cross-repository layer sharing within a registry.
- Share common image layers across repositories to reduce storage costs
- Faster image pushes by reusing existing layers instead of re-uploading
- Particularly beneficial for microservices built from common base images
- Enable via ECR console or AWS CLI at registry level
- ECR automatically handles layer sharing after enabling
- Available in all AWS commercial and GovCloud (US) regions
Blob mounting optimizes ECR storage efficiency and push performance for organizations managing multiple applications with shared base images.
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