Lifespan events — startup/shutdown trong FastAPI 0.95+?

from contextlib import asynccontextmanager

@asynccontextmanager
async def lifespan(app: FastAPI):
    # Startup
    await database.connect()
    redis_pool = await create_redis_pool()
    app.state.redis = redis_pool

    yield  # App đang chạy

    # Shutdown
    await database.disconnect()
    await redis_pool.aclose()

app = FastAPI(lifespan=lifespan)