Imports github.com/Sirupsen/logrus github.com/gorilla/handlers github.com/rcrowley/go-metrics github.com/rs/cors github.com/spf13/pflag github.com/spf13/viper gopkg.in/tylerb/graceful.v1 Standard library imports bytes encoding/json errors fmt io io/ioutil net net/http net/http/httputil net/http/pprof net/url os os/user path/filepath regexp strconv strings time