fix: change port to 7860 for HF Spaces compatibility

Dockerfile

@@ -34,7 +34,7 @@ ENV MAX_CONCURRENT_ENVS=64
 
 # Health check
 HEALTHCHECK --interval=30s --timeout=5s --start-period=15s --retries=3 \
-    CMD python -c "import urllib.request; urllib.request.urlopen('http://localhost:8000/health')" || exit 1
+    CMD python -c "import urllib.request; urllib.request.urlopen('http://localhost:7860/health')" || exit 1
 
 # Start server
-CMD ["uvicorn", "server.app:app", "--host", "0.0.0.0", "--port", "8000"]
+CMD ["uvicorn", "server.app:app", "--host", "0.0.0.0", "--port", "7860"]

openenv.yaml

@@ -3,4 +3,4 @@ name: preference_lab
 type: space
 runtime: fastapi
 app: server.app:app
-port: 8000
+port: 7860