Imports golang.org/x/image/bmp golang.org/x/image/font golang.org/x/image/tiff golang.org/x/image/webp github.com/fatih/color github.com/nfnt/resize github.com/BurntSushi/graphics-go/graphics github.com/golang/freetype Standard library imports bytes encoding/base64 errors fmt image image/color image/draw image/jpeg image/png io io/ioutil log math net/http os os/exec runtime strings sync