fix: model replica not working for skypilot

deployment/skypilot/default.yml

@@ -16,7 +16,10 @@ setup: |
   # On certain cloud providers (e.g lambda cloud), the default user is not added to docker group, so we need sudo here
   sudo docker-compose pull
 
+  # Add current user to docker group, it won't take effect immediately as skypilot job is started by a long-running daemon.
+  sudo usermod -aG docker $USER
+
 
 run: |
   cd tabby/deployment
-  MODEL_REPLICA=${MODEL_REPLICA:-8} sudo docker-compose up
+  sudo MODEL_REPLICA=${MODEL_REPLICA:-8} docker-compose up