https://blog.yarsalabs.com/bind9-dns-server-setup-in-docker
https://github.com/bind-dns/binddns-operator
https://dev.to/jmarhee/manage-an-authoritative-dns-server-on-kubernetes-with-helm-and-fleet-3o6n
خطای پایگاهدادهٔ وردپرس : [Duplicate entry '0' for key 'wp_actionscheduler_actions.PRIMARY']
INSERT INTO wp_actionscheduler_actions ( `hook`, `status`, `scheduled_date_gmt`, `scheduled_date_local`, `schedule`, `group_id`, `priority`, `args` )
SELECT 'wpforms_email_summaries_fetch_info_blocks', 'pending', '2026-05-25 00:15:24', '2026-05-25 00:15:24', 'O:32:\"ActionScheduler_IntervalSchedule\":5:{s:22:\"\0*\0scheduled_timestamp\";i:1779668124;s:18:\"\0*\0first_timestamp\";i:1779668124;s:13:\"\0*\0recurrence\";i:604800;s:49:\"\0ActionScheduler_IntervalSchedule\0start_timestamp\";i:1779668124;s:53:\"\0ActionScheduler_IntervalSchedule\0interval_in_seconds\";i:604800;}', 3, 10, '{\"tasks_meta_id\":null}' FROM DUAL
WHERE ( SELECT NULL FROM DUAL ) IS NULL