Imports github.com/aws/aws-sdk-go/aws/credentials/stscreds github.com/aws/aws-sdk-go/aws/session github.com/aws/aws-sdk-go/service/s3 github.com/go-chi/chi/v5 github.com/go-chi/chi/v5/middleware github.com/jszwec/s3fs Standard library imports encoding/json flag fmt io/fs net/http os path/filepath