diff --git a/roles/docker-discourse/templates/docker-compose.yml.j2 b/roles/docker-discourse/templates/docker-compose.yml.j2
index c72b5b86..079a187e 100644
--- a/roles/docker-discourse/templates/docker-compose.yml.j2
+++ b/roles/docker-discourse/templates/docker-compose.yml.j2
@@ -7,4 +7,6 @@ services:
 {% include 'templates/docker/compose/volumes.yml.j2' %}
   redis:
 
-{% include 'templates/docker/compose/networks.yml.j2' %}
\ No newline at end of file
+{% include 'templates/docker/compose/networks.yml.j2' %}
+  discourse_default:
+    external: true
\ No newline at end of file