backends:
- gc: https://github.com/fullstorydev/emulators
- s3: https://min.io/
- azure: https://github.com/Azure/Azurite
metadata:
- redis
maybe use https://github.com/seaweedfs/seaweedfs as s3
keypair ---| |--- dir -|- cors
| | |- acl
keypair ---|--- namespace ---|--- dir
| | |- cors
keypair ---| |--- dir -|- acl