Data & Infrastructure

Supabase Row-Level Security (RLS) in Next.js: Multi-Tenant Authorization

Secure multi-tenant data at the PostgreSQL database layer using Supabase Row-Level Security (RLS) and JWT auth claims.

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Enforcing Security in the Database Layer

Rather than writing `where user_id = current_user` in every API route, PostgreSQL RLS policies enforce tenant isolation automatically for all SELECT, UPDATE, and DELETE operations.

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