BOT_TOKEN=your_bot_token_here
DATABASE_URL=sqlite:///data/duty_teller.db
MINI_APP_BASE_URL=
HTTP_PORT=8080

# Miniapp access: comma-separated Telegram usernames (no @). Empty = no one allowed.
ALLOWED_USERNAMES=username1,username2
ADMIN_USERNAMES=admin1,admin2

# Dev only: set to 1 to allow calendar without Telegram initData (insecure; do not use in production).
# MINI_APP_SKIP_AUTH=1

# Optional: URL of a public ICS calendar (e.g. holidays). Days from this calendar are highlighted on the duty grid; click "i" for summary.
# EXTERNAL_CALENDAR_ICS_URL=https://example.com/holidays.ics