Status: IN
Registry storage credential secret keys by provider: AWS S3 uses `REGISTRY_STORAGE_S3_ACCESSKEY`/`REGISTRY_STORAGE_S3_SECRETKEY`, GCS uses `REGISTRY_STORAGE_GCS_KEYFILE`, Swift uses `REGISTRY_STORAGE_SWIFT_USERNAME`/`REGISTRY_STORAGE_SWIFT_PASSWORD`, Azure uses `REGISTRY_STORAGE_AZURE_ACCOUNTKEY`.