app/config/config.py

import os
from typing import List
from dotenv import load_dotenv

load_dotenv()

BOT_TOKEN = os.getenv('BOT_TOKEN')
DATABASE_URL = os.getenv('DATABASE_URL')
ADMIN_ID = [int(id) for id in os.getenv('ADMIN_IDS', '').split(',')]

if not BOT_TOKEN:
    raise ValueError("BOT_TOKEN not found in environment")