Imports github.com/opentracing/opentracing-go github.com/opentracing/opentracing-go/ext github.com/pkg/errors github.com/sirupsen/logrus github.com/uber/jaeger-client-go/config github.com/uber/jaeger-client-go/zipkin github.com/urfave/negroni golang.org/x/crypto/bcrypt Standard library imports context io net/http strings