Imports github.com/go-kit/kit/sd github.com/afex/hystrix-go/hystrix github.com/go-kit/kit/circuitbreaker github.com/go-kit/kit/endpoint github.com/go-kit/kit/log github.com/go-kit/kit/sd/etcdv3 github.com/go-kit/kit/sd/lb Standard library imports context encoding/json errors flag io io/ioutil net/http os strings time