add @app

tool_use_env/server/app.py

@@ -17,7 +17,10 @@ import uvicorn
 
 def main(host: str = "0.0.0.0", port: int = 8000):
     uvicorn.run("tool_use_env.server.app:app", host=host, port=port)
-
+    
+@app.get("/")
+def root():
+    return {"status": "running"}
 
 if __name__ == "__main__":
     main()