Imports
- github.com/containerops/dockyard/backend/drivers
- github.com/containerops/dockyard/backend/drivers/aliyun
- github.com/containerops/dockyard/backend/drivers/amazons3
- github.com/containerops/dockyard/backend/drivers/native
- github.com/containerops/dockyard/backend/drivers/oss
- github.com/containerops/dockyard/backend/drivers/qiniu
- github.com/containerops/wrench/setting