Imports github.com/lestrrat/go-server-starter/listener github.com/sirupsen/logrus github.com/gorilla/sessions golang.org/x/oauth2 github.com/gorilla/securecookie gopkg.in/yaml.v2 Standard library imports context crypto/rand encoding/base64 encoding/hex encoding/json errors flag fmt io/ioutil math/rand net net/http net/url os strconv sync syscall time encoding/gob os/signal