Imports github.com/joho/godotenv github.com/opentracing/opentracing-go github.com/opentracing/opentracing-go/ext github.com/uber/jaeger-client-go github.com/uber/jaeger-client-go/config google.golang.org/grpc google.golang.org/grpc/metadata Imports in module “github.com/phungvandat/go-jaeger-tracing” github.com/phungvandat/go-jaeger-tracing/userproto Standard library imports context fmt log math/rand net net/http os os/signal syscall time