shed more weight

flake.nix

@@ -48,13 +48,9 @@
             cat > $out/bin/run-gradio << 'EOF'
             #!/usr/bin/env bash
             set -euo pipefail
-            
-            # Set default port if not provided
-            PORT=''${PORT:-${appPort}}
-            
-            echo "Starting Gradio app on port $PORT..."
+
             cd "$(dirname "$0")"
-            ${pythonEnv}/bin/python app.py --server-port "$PORT" --server-name 0.0.0.0
+            ${pythonEnv}/bin/python app.py --server-port "${appPort}" --server-name 0.0.0.0
             EOF
             
             chmod +x $out/bin/run-gradio