Imports
- github.com/opentracing/opentracing-go
- github.com/prometheus/client_golang/prometheus/promhttp
- github.com/uber/jaeger-client-go
- github.com/uber/jaeger-client-go/config
- github.com/uber/jaeger-client-go/transport/zipkin
- golang.org/x/time/rate
- google.golang.org/grpc
- gopkg.in/yaml.v2