Update run.sh

run.sh

@@ -1,5 +1,19 @@
 #!/bin/bash
+# Start backend
 cd /app/backend
 python main.py &
+
+# Wait for backend to be ready
+echo "Waiting for backend to start..."
+for i in {1..30}; do
+    if curl -s http://localhost:8000/api/queue > /dev/null 2>&1; then
+        echo "Backend is ready."
+        break
+    fi
+    echo "Waiting... ($i)"
+    sleep 2
+done
+
+# Start frontend
 cd /app/frontend
-node server.js
+exec node server.js