authentik/passbook/sources/ldap/settings.py

"""LDAP Settings"""
from celery.schedules import crontab

AUTHENTICATION_BACKENDS = [
    'passbook.sources.ldap.auth.LDAPBackend',
]

CELERY_BEAT_SCHEDULE = {
    'sync': {
        'task': 'passbook.sources.ldap.tasks.sync',
        'schedule': crontab(minute=0)  # Run every hour
    }
}