See [this MR](https://repo1.dso.mil/big-bang/product/packages/minio/-/merge_requests/116 'Resolve "Implement a minio authorization policy for tempo"') for an example implementation and [this comment](https://repo1.dso.mil/big-bang/product/packages/minio/-/issues/60#note_1613283 "debugging and troubleshooting connectivity issues with auth policies") for testing notes.