I'm deploying a private registry on ECS and would like to use IAM Roles for the task so the access keys for S3 get assigned and rotated automatically.

This feature requires the AWS Go SDK 1.2.5, but the registry currently depends on 1.2.4. No code changes are required.

https://docs.aws.amazon.com/AmazonECS/latest/developerguide/task-iam-roles.html