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Cloud & infrastructure · #supabase
Choose database‑enforced RLS over Edge Function gating for tenant isolation in Supabase, with policy SQL, trade‑offs and validation steps.
Supabase Row Level Security uses Postgres native RLS with auth.uid() to scope rows to authenticated users. Enable RLS, write policies matching user_id = auth.uid(), and verify with real JWTs — but watch for default-deny lockout, service_role bypass, and table owner exceptions.
Learn how to use Supabase Auth JWTs and Postgres Row Level Security to enforce tenant‑scoped data access without scattering checks throughout your application code.
Learn how to enable Row‑Level Security in Supabase, write a simple “one‑row‑per‑user” policy, and avoid common pitfalls like owner bypass and unauthenticated access. Follow the step‑by‑step guide and practical checklist to secure your tables today.
Implement database-level multi-tenancy using PostgreSQL Row Level Security (RLS) to enforce data isolation without relying on application-tier middleware.
Learn how to configure a Supabase Storage bucket that allows anyone to download files while restricting uploads to authenticated users. This guide walks through prerequisites, policy setup, validation, and recovery steps.
Learn how to enable Supabase Row Level Security, create a policy that restricts rows by owner, and verify enforcement with authenticated and anonymous requests.
Learn how to use Supabase Row Level Security to automatically isolate tenant data in a multi‑tenant app, with a concrete policy example, verification steps, and trade‑offs.
Moving authorization to Postgres with Supabase RLS: a worked policy set, the verification steps that matter, and the performance tradeoffs we hit in production.