from fastapi import FastAPI from nicegui import app, ui def init(fastapi_app: FastAPI) -> None: @ui.page('/show') def show(): ui.label('Hello, FastAPI!') # NOTE dark mode will be persistent for each user across tabs and server restarts ui.dark_mode().bind_value(app.storage.user, 'dark_mode') ui.checkbox('dark mode').bind_value(app.storage.user, 'dark_mode') ui.run_with( fastapi_app, storage_secret='pick your private secret here' # NOTE setting a secret is optional but allows for persistent storage per user )