diff --git a/configuration.yaml b/configuration.yaml
index b403795..0331fd0 100755
--- a/configuration.yaml
+++ b/configuration.yaml
@@ -6,7 +6,7 @@ default_config:
 
 homeassistant:
   name: !secret name
-  external_url: "http://anneclaus.duckdns.org:8123"
+  external_url: "https://anneclaus.duckdns.org"
   internal_url: "http://dethlefsen:8123"
   auth_providers:
     - type: homeassistant
@@ -27,6 +27,7 @@ http:
   trusted_proxies:
     - 127.0.0.1
     - 10.0.0.142
+    - 172.17.0.0/16  # Docker bridge (NPM)
 
 logger:
   default: warning