Imports
- github.com/grpc-ecosystem/go-grpc-middleware/logging/logrus/ctxlogrus
- github.com/kelseyhightower/envconfig
- github.com/opentracing/opentracing-go
- github.com/prometheus/client_golang/prometheus
- github.com/prometheus/client_golang/prometheus/promauto
- github.com/sirupsen/logrus
- gitlab.com/gitlab-org/labkit/tracing