Update app.py

app.py

@@ -2,6 +2,7 @@
 from fastapi import FastAPI, UploadFile, File, HTTPException
 from fastapi.responses import Response
 from fastapi.middleware.cors import CORSMiddleware
+from contextlib import asynccontextmanager
 import cv2
 import numpy as np
 from PIL import Image
@@ -63,9 +64,10 @@ def download_model():
         logger.info("Model already exists at: %s", model_path)
         MODEL_DOWNLOADED = True
 
-@app.on_event("startup")
-async def startup_event():
-    """Run startup tasks like downloading the model."""
+# Use lifespan event handler instead of on_event
+@asynccontextmanager
+async def lifespan(app: FastAPI):
+    # Startup code
     logger.info("Starting up application...")
     try:
         download_model()
@@ -73,6 +75,11 @@ async def startup_event():
     except Exception as e:
         logger.error(f"Startup failed: {e}")
         raise
+    yield
+    # Shutdown code (if any)
+    logger.info("Shutting down application...")
+
+app.lifespan = lifespan
 
 def get_many_faces(image):
     """Simplified face detection using insightface."""