Healthtech Reminder Recovery: Why I Chose Delayed Jobs Before Cron

Short answer: use delayed queue messages for one-off user reminders due within seven days, and use cron to enqueue anything farther out or recurring. Keep the durable schedule in Postgres, make every send idempotent, and choose the queue or cron provider only after its region, retention, deletion, and processor boundaries pass your healthtech review. That split is my default because operational recovery matters more than shaving one component off the diagram. A reminder can be late without becoming wrong; a duplicate medication prompt can be much harder to explain. The database remains the sou
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