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Designing RLS policies you can actually trust

Row Level Security is the backbone of a Supabase app. Here is a mental model for writing policies that are tight and testable.

7 min read
Designing RLS policies you can actually trust

RLS turns your database into the security boundary, which is exactly where it belongs.

One table, two audiences

A blog has anonymous readers and one trusted admin. The split is clean:

  • anon can select only status = 'published'
  • authenticated can do everything

Keep policies small and named by intent, and always test them from both an anon and a logged-in session before shipping.

#supabase#postgres#security#rls
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