On client CloseWrite, do CloseWrite instead of Close for backend

Co-authored-by: Mathieu Lonjaret <mathieu.lonjaret@gmail.com>

pkg/provider/docker/config.go

@@ -79,6 +79,7 @@ func (p *Provider) buildTCPServiceConfiguration(ctx context.Context, container d
 	if len(configuration.Services) == 0 {
 		configuration.Services = make(map[string]*dynamic.TCPService)
 		lb := &dynamic.TCPLoadBalancerService{}
+		lb.SetDefaults()
 		configuration.Services[serviceName] = &dynamic.TCPService{
 			LoadBalancer: lb,
 		}