Imports github.com/fogleman/gg github.com/golang/freetype/truetype github.com/urfave/cli/v2 golang.org/x/image/font golang.org/x/image/font/gofont/goregular Standard library imports bytes errors fmt image image/color image/color/palette image/draw image/gif io/ioutil log math net/http os path/filepath sort strconv strings sync