usage_version_app_function.py

LATEST_API_VERSION = APIVersion(major_version=1, minor_version=1)

# Create app object and add routes
app = FastAPI(title="My Item App")
app.include_router(unversioned_router)
app.include_router(router_v1_0)
app.include_router(router_v1_1)


exception_handlers = {
        500: internal_error_exception_handler,  # Uncontrolled internal server errors (e.g. raised by FastAPI's middlewares)
        CustomServiceError: internal_error_exception_handler,  # Controlled internal server errors
        RequestValidationError: request_validation_exception_handler,  # Custom data validation error
    }

app = version_app(app, default_api_version=LATEST_API_VERSION, exception_handlers=exception_handlers)