Your app runs database migrations in an init container on every deploy. Defend or attack that pattern.

The gating instinct is right and the cardinality is wrong: init containers make every new replica race the same migration. Here is the once-per-release shape, plus the rollback rule that shapes all DDL review.

Grounded in researched DevOps, SRE and platform engineering interview loops, written to a senior-engineer editorial bar, and never padded to hit a word count.