Imports
- github.com/aws/aws-sdk-go/aws
- github.com/aws/aws-sdk-go/private/protocol/xml/xmlutil
- github.com/aws/aws-sdk-go/service/s3
- github.com/gorilla/mux
- github.com/nats-io/nats.go
- github.com/seaweedfs/seaweedfs/weed/s3api
- github.com/seaweedfs/seaweedfs/weed/s3api/s3_constants