Supabase row-level security, explained for builders
If you only fix one thing before launch, make it this: which keys are safe in the browser, and how to make sure user A can never read user B's data.
Topic
Row-level security, API keys, storage and auth for Supabase-backed apps.
If you only fix one thing before launch, make it this: which keys are safe in the browser, and how to make sure user A can never read user B's data.
What outside scanners can and can't see, what you should never paste into one, and how to check their findings yourself.
Use the built-in Quick and Deep scans, keep API keys in Secrets, and review RLS before real users arrive.
Keep secrets away from coding agents, add security rules, and control what the agent is allowed to run.
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