Update app.py

app.py

@@ -242,6 +242,11 @@ def rerank_documents(query, doc_texts):
         print(f"Error reranking documents: {e}")
         return np.zeros(len(doc_texts))
 
+@app.get("/")
+async def root():
+    return {"message": "Welcome to the FastAPI application! Use the /health endpoint to check health, and /api/query for processing queries."}
+
+
 @app.get("/health")
 async def health_check():
     """Health check endpoint"""