Imports github.com/dghubble/oauth1 github.com/golang/freetype github.com/golang/freetype/truetype github.com/joho/godotenv golang.org/x/oauth2 golang.org/x/oauth2/clientcredentials Standard library imports bufio bytes encoding/json errors flag fmt image image/color image/draw image/jpeg image/png io/ioutil math/rand mime/multipart net/http os path/filepath time