SQLModel.metadata.create_all(engine)


def get_session():
    with Session(engine) as session:
        yield session


app = FastAPI()


@app.on_event("startup")
def on_startup():
    create_db_and_tables()


@app.post("/heroes/")
def create_hero(hero: Hero, session: Session = Depends(get_session)) -> Hero:
    session.add(hero)
    session.commit()
    session.refresh(hero)

    app = FastAPI(on_startup=[app_startup], on_shutdown=[app_shutdown])

    @app.get("/")
    def main() -> dict[str, str]:
        return {"message": "Hello World"}

    def router_startup() -> None:
        state.router_startup = True

    def router_shutdown() -> None:
        state.router_shutdown = True

    router = APIRouter(on_startup=[router_startup], on_shutdown=[router_shutdown])

def get_session():
    with Session(engine) as session:
        yield session


SessionDep = Annotated[Session, Depends(get_session)]
app = FastAPI()


@app.on_event("startup")
def on_startup():
    create_db_and_tables()


@app.post("/heroes/", response_model=HeroPublic)
def create_hero(hero: HeroCreate, session: SessionDep):
    db_hero = Hero.model_validate(hero)
    session.add(db_hero)

def get_session():
    with Session(engine) as session:
        yield session


SessionDep = Annotated[Session, Depends(get_session)]

app = FastAPI()


@app.on_event("startup")
def on_startup():
    create_db_and_tables()


@app.post("/heroes/")
def create_hero(hero: Hero, session: SessionDep) -> Hero:
    session.add(hero)
    session.commit()
    session.refresh(hero)
    return hero

    SQLModel.metadata.create_all(engine)


def get_session():
    with Session(engine) as session:
        yield session


app = FastAPI()


@app.on_event("startup")
def on_startup():
    create_db_and_tables()


@app.post("/heroes/", response_model=HeroPublic)
def create_hero(hero: HeroCreate, session: Session = Depends(get_session)):
    db_hero = Hero.model_validate(hero)

            )

        # Handle on_startup/on_shutdown locally since Starlette removed support
        # Ref: https://github.com/Kludex/starlette/pull/3117
        # TODO: deprecate this once the lifespan (or alternative) interface is improved
        self.on_startup: list[Callable[[], Any]] = (
            [] if on_startup is None else list(on_startup)
        )

        ] = {}
        self.router: routing.APIRouter = routing.APIRouter(
            routes=routes,
            redirect_slashes=redirect_slashes,
            dependency_overrides_provider=self,
            on_startup=on_startup,
            on_shutdown=on_shutdown,
            lifespan=lifespan,
            default_response_class=default_response_class,
            dependencies=dependencies,
            callbacks=callbacks,

## 0.128.6 (2026-02-09)

### Fixes

* 🐛 Fix `on_startup` and `on_shutdown` parameters of `APIRouter`. PR [#14873](https://github.com/fastapi/fastapi/pull/14873) by [@YuriiMotov](https://github.com/YuriiMotov).

### Translations