Imports golang.org/x/image/bmp golang.org/x/image/tiff github.com/disintegration/imaging gopkg.in/amz.v1/aws gopkg.in/amz.v1/s3 github.com/kjk/golibjpegturbo Standard library imports bytes fmt image image/gif image/jpeg image/png io log math mime net/url os path/filepath strings time