Central ECR for ECS in multiple accounts

Question

A customer would like to have a central ECR. Is there a reference architecture, best practice to share?

Accepted Answer

Below are a couple articles you can reference.

https://aws.amazon.com/blogs/devops/how-to-use-cross-account-ecr-images-in-aws-codebuild-for-your-build-environment/

https://aws.amazon.com/premiumsupport/knowledge-center/secondary-account-access-ecr/

For your information, ECR now supports cross account image replication.

https://docs.aws.amazon.com/AmazonECR/latest/userguide/replication.html

If the customer would like to distribute container images to the individual AWS account instead of using central ECR repository, this feature would be helpful for them.

Answer

Another alternative -- especially helpful if the ECR Policy get too big -- is to use the AWS:PrincipalOrgID condition to allow every account in the Organization to access the ECR Repository: check out this blog post showing how.

Beware: this allows all accounts in an Organization to access the ECR repository! Double check with your security team if this is allowed!

**Beware**: this allows **all accounts in an Organization** to access the ECR repository! Double **check with your security team if this is allowed**!

Central ECR for ECS in multiple accounts

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