Imports github.com/golang/freetype github.com/golang/freetype/truetype github.com/gorilla/mux github.com/mier85/goimgur github.com/pkg/errors golang.org/x/image/draw golang.org/x/image/font golang.org/x/image/math/fixed Standard library imports bufio encoding/json flag image image/png io/ioutil log net/http os path/filepath strconv sync