Imports github.com/gorilla/handlers github.com/grpc-ecosystem/grpc-gateway/runtime github.com/sirupsen/logrus github.com/spf13/pflag github.com/spf13/viper golang.org/x/net/context google.golang.org/genproto/googleapis/rpc/errdetails google.golang.org/grpc Standard library imports encoding/json flag fmt gen/pb-go io net net/http net/textproto os os/signal strings time