diff --git a/docker-compose.yml b/docker-compose.yml
index c2e37e3..80298e3 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,54 +1,47 @@
+                                  
 services:
   monet4:
     build:
       context: .
       dockerfile: Dockerfile
     container_name: monet4
-
     env_file:
       - .env
-
     environment:
       PORT: 5000
       FLASK_DEBUG: 0
-
       CHAT_DB_PATH: /app/data/chat.db
       CHAT_UPLOAD_DIR: /app/data/uploads
       CHAT_SECRET_KEY_PATH: /app/data/flask_secret.key
       CHAT_CLIENT_HASH_KEY_PATH: /app/data/client_hash.key
-
       SESSION_COOKIE_SECURE: 1
       TRUSTED_PROXY_HOPS: 1
-
       GUNICORN_CMD_ARGS: "--worker-tmp-dir /tmp"
-
       FLASK_SECRET_KEY: ${FLASK_SECRET_KEY:-}
       CHAT_CLIENT_HASH_KEY: ${CHAT_CLIENT_HASH_KEY:-}
 
+      # VPS2 helper integration
+      CALLS_BASE: ${CALLS_BASE:-https://calls.backend-3.com}
+      CALL_HELPER_SHARED_SECRET: ${CALL_HELPER_SHARED_SECRET:-}
+      CALL_TOKEN_TTL_SECONDS: ${CALL_TOKEN_TTL_SECONDS:-60}
+
     volumes:
       - chat_data:/app/data
-
     networks:
       - privatenet
-
     restart: unless-stopped
-
-    read_only: true
-
+    # read_only: true
     tmpfs:
       - /tmp:size=64m,mode=1777
       - /run/gunicorn:size=16m,mode=1777
-
     security_opt:
       - no-new-privileges:true
-
     healthcheck:
       test: ["CMD", "python", "-c", "import urllib.request; urllib.request.urlopen('http://127.0.0.1:5000/api/csrf', timeout=5).read()"]
       interval: 30s
       timeout: 5s
       retries: 3
       start_period: 20s
-
     labels:
       caddy: money.backend-3.com
       caddy.reverse_proxy: "{{upstreams 5000}}"