Row-level security for real multi-tenant isolation
Why we enforce tenant isolation at the PostgreSQL tier with row-level security instead of the application layer — and what we learned wiring it into EF Core.
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Articles about engineering — Practical guides on POS, inventory, accounting, and local marketing for growing businesses — from the Tenavora team.
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Idempotency keys: the cheapest reliability win
How to make every mutating API endpoint safe to retry, with a 50-line implementation that pays for itself the first time a webhook double-fires.
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