A company manages shared libraries across development and production accounts with IAM roles and CodePipeline/CDK.

Single CodeArtifact repository in central account with IAM policies allowing only developers access. Use EventBridge to start CodeBuild testing projects before copying packages to production repo.

Separate CodeArtifact repositories in dev and prod accounts. Dev repo has repository policy allowing only developers access. EventBridge triggers pipeline to test packages before copying to prod repo.

Single S3 bucket with versioning in central account, IAM policies restricting developers. Use EventBridge to trigger CodeBuild tests before copying to production.

Separate S3 buckets with versioning in dev and prod accounts, dev bucket policy restricting developers. EventBridge triggers pipeline to test packages before copying to prod and revert if tests fail.