Update app.py

app.py

@@ -458,11 +458,17 @@ import telegram_preview
 
 app = FastAPI()
 
-telegram_preview.include_in_app(app)   # mounts / and /static
+telegram_preview.include_in_app(app)
 
-@app.get("/")
+# Simple health‑check endpoint
+@app.get("/health")
 def health():
-    return {"status": "ok"
+    return {"status": "ok"}
+
+# OPTIONAL: if you really want a startup hook, keep it complete:
+# @app.on_event("startup")
+# async def startup():
+#     print("Application started")
 
 
 @app.on_event("startup")