use port name from service name for ingress port

build/cd/deploy.go

@@ -391,7 +391,7 @@ func createIngress(env string) *netv1.Ingress {
 									Backend: netv1.IngressBackend{
 										Service: &netv1.IngressServiceBackend{
 											Name: env,
-											Port: netv1.ServiceBackendPort{Number: 55055},
+											Port: netv1.ServiceBackendPort{Name: "grpc"},
 										},
 									},
 								},