**To describe the repositories in a registry** This example describes the repositories in the default registry for an account. Command:: aws ecr describe-repositories Output:: { "repositories": [ { "registryId": "012345678910", "repositoryName": "ubuntu", "repositoryArn": "arn:aws:ecr:us-west-2:012345678910:repository/ubuntu" }, { "registryId": "012345678910", "repositoryName": "test", "repositoryArn": "arn:aws:ecr:us-west-2:012345678910:repository/test" } ] }