diff --git a/templates/config.production.json.j2 b/templates/config.production.json.j2
index 4f5f537..1eea7fc 100644
--- a/templates/config.production.json.j2
+++ b/templates/config.production.json.j2
@@ -36,6 +36,12 @@
     "transport": "Direct"
     {% endif %}
   },
+  {% if item.custom_portal is defined %}
+  "portal": {
+    "url": "{{item.custom_portal}}",
+    "version": "~1.0.0"
+  }
+  {% endif %}
   "logging": {
     "path": "/var/log/ghost/{{ item.name }}/",
     "level": "error",