Update main.py

main.py

@@ -3,9 +3,9 @@ from pydantic import BaseModel
 from motor.motor_asyncio import AsyncIOMotorClient
 from typing import List, Optional
 from fastapi.middleware.cors import CORSMiddleware
-
+inport os 
 # MongoDB connection URI
-MONGO_URI = "mongodb+srv://npanchayan:ramnagar@cluster0.7stwm.mongodb.net/?retryWrites=true&w=majority&appName=Cluster0"
+MONGO_URI = os.getenv("MONGO_URI") #""
 
 # Initialize FastAPI app
 app = FastAPI()