"""Honest degraded mode: the bundle could not be fetched (or has no backend); every request says so instead of crash-looping the VM.""" from fastapi import FastAPI from fastapi.responses import JSONResponse app = FastAPI() @app.get("/{path:path}") async def unavailable(path: str) -> JSONResponse: return JSONResponse({"error": "this app's backend is not available right now"}, status_code=503)