Blocky use wgoverlay for api

core/blocky/blocky.nomad

@@ -24,8 +24,7 @@ job "blocky" {
       }
 
       port "api" {
-        # TODO: This may be broken. It seems we're exposing the loopback address which can't be reached
+        host_network = "wgoverlay"
-        # host_network = "loopback"
         to = "4000"
       }