Use gateway if available

client/selector/router/router.go

@@ -162,7 +162,10 @@ func (r *routerSelector) Select(service string, opts ...selector.SelectOption) (
 		route := routes[idx%len(routes)]
 
 		// defaults to gateway and no port
-		address := route.Gateway
+		address := route.Address
+		if len(route.Gateway) > 0 {
+			address = route.Gateway
+		}
 
 		// return as a node
 		return &registry.Node{

network/proxy/mucp/mucp.go

@@ -84,7 +84,11 @@ func (p *Proxy) getRoute(service string) ([]string, error) {
 	toNodes := func(routes []table.Route) []string {
 		var nodes []string
 		for _, node := range routes {
-			nodes = append(nodes, node.Gateway)
+			address := node.Address
+			if len(node.Gateway) > 0 {
+				address = node.Gateway
+			}
+			nodes = append(nodes, address)
 		}
 		return nodes
 	}