func main()

in src/shippingservice/main.go [55:100]
40 lines of code
7 McCabe index (conditional complexity)

func main() {
	if os.Getenv("DISABLE_TRACING") == "" {
		log.Info("Tracing enabled, but temporarily unavailable")
		log.Info("See https://github.com/GoogleCloudPlatform/microservices-demo/issues/422 for more info.")
		go initTracing()
	} else {
		log.Info("Tracing disabled.")
	}

	if os.Getenv("DISABLE_PROFILER") == "" {
		log.Info("Profiling enabled.")
		go initProfiling("shippingservice", "1.0.0")
	} else {
		log.Info("Profiling disabled.")
	}

	port := defaultPort
	if value, ok := os.LookupEnv("PORT"); ok {
		port = value
	}
	port = fmt.Sprintf(":%s", port)

	lis, err := net.Listen("tcp", port)
	if err != nil {
		log.Fatalf("failed to listen: %v", err)
	}

	var srv *grpc.Server
	if os.Getenv("DISABLE_STATS") == "" {
		log.Info("Stats enabled, but temporarily unavailable")
		srv = grpc.NewServer()
	} else {
		log.Info("Stats disabled.")
		srv = grpc.NewServer()
	}
	svc := &server{}
	pb.RegisterShippingServiceServer(srv, svc)
	healthpb.RegisterHealthServer(srv, svc)
	log.Infof("Shipping Service listening on port %s", port)

	// Register reflection service on gRPC server.
	reflection.Register(srv)
	if err := srv.Serve(lis); err != nil {
		log.Fatalf("failed to serve: %v", err)
	}
}