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.
The AWS News Feed is currently looking for gold sponsors. If you want to support the AWS community and reach a large audience of AWS professionals, consider sponsoring the AWS News Feed.
Related articles
Dec 19
2025
2025
Amazon ECR now supports creating repositories on push
Feb 10
2026
2026
Amazon ECR now supports additional metrics for monitoring repositories
Jan 30
2026
2026
Amazon RDS for Oracle now supports cross-Region replicas with additional storage volumes
Feb 4
2026
2026
Amazon ECS adds Network Load Balancer support for Linear and Canary deployments
The AWS News Feed is currently looking for silver sponsors. If you want to support the AWS community and reach a large audience of AWS professionals, consider sponsoring the AWS News Feed.