Fix Redis configuration and remove Redis addon temporarily

CloudronManifest.json

@@ -10,8 +10,7 @@
   "addons": {
     "postgresql": {},
     "localstorage": {},
-    "sendmail": {},
-    "redis": {}
+    "sendmail": {}
   },
   "manifestVersion": 2,
   "website": "https://docmost.com",

start.sh

@@ -26,13 +26,18 @@ APP_SECRET=$(cat /app/data/app_secret)
 export NODE_ENV=production
 export APP_URL="${CLOUDRON_APP_ORIGIN}"
 export APP_SECRET="${APP_SECRET}"
-export PORT=3000
+export PORT=3001
 
 # Database configuration
 export DATABASE_URL="${CLOUDRON_POSTGRESQL_URL}"
 
-# Redis configuration
-export REDIS_URL="${CLOUDRON_REDIS_URL}"
+# Redis configuration (optional)
+if [ -n "${CLOUDRON_REDIS_URL:-}" ]; then
+    export REDIS_URL="${CLOUDRON_REDIS_URL}"
+    echo "=> Redis configured"
+else
+    echo "=> Redis not configured - collaborative features may be limited"
+fi
 
 # Email configuration
 export MAIL_DRIVER=smtp