Changed port to 7860 for Hugging Face

Dockerfile

@@ -12,8 +12,8 @@ RUN pip install --no-cache-dir -r requirements.txt
 COPY cloud_arena_final.py .
 COPY server.py .
 
-# Expose the port FastAPI will run on
-EXPOSE 8000
+# Hugging Face Spaces require port 7860
+EXPOSE 7860
 
-# Command to run the server
-CMD ["uvicorn", "server:app", "--host", "0.0.0.0", "--port", "8000"]
+# Command to run the server on port 7860
+CMD ["uvicorn", "server:app", "--host", "0.0.0.0", "--port", "7860"]