diff --git a/install_context_chat.yml b/install_context_chat.yml
index a0aaaf8..e2bde50 100644
--- a/install_context_chat.yml
+++ b/install_context_chat.yml
@@ -1,3 +1,7 @@
+vars:
+    domein_nextcloud: "{{ nextcloud_domain }}"
+    secret: "{{ secret }}"
+
 - name: Install and configure Go, Docker, NATS, Janus, and Signaling Server
   hosts: localhost
   connection: local
@@ -73,14 +77,14 @@
 
           # AppAPI headers
           AA_VERSION=3.0.0
-          APP_SECRET=12345
+          APP_SECRET={{ secret }}
           APP_ID=context_chat_backend
           APP_DISPLAY_NAME=Context Chat Backend
           APP_VERSION=4.3.0
           APP_HOST=0.0.0.0
           APP_PORT=10034
           APP_PERSISTENT_STORAGE=persistent_storage
-          NEXTCLOUD_URL=https://nextcloud01.hvanextcloudpoc.src.surf-hosted.nl
+          NEXTCLOUD_URL={{ domein_nextcloud }}
 
           # CUDA Support
           #NVIDIA_VISIBLE_DEVICES=all