Lesson 584 of 1596
RLS Before Launch: The Supabase Lesson
Most scary vibe-coding security stories are not about genius hackers. They are about public database access with weak or missing Row Level Security. Write the smallest useful scope the agent can finish.
Creators · AI-Assisted Coding · ~8 min read
RLS Before Launch: The Supabase Lesson
Most scary vibe-coding security stories are not about genius hackers. They are about public database access with weak or missing Row Level Security.
- 1Name the job before naming the tool.
- 2Write the smallest useful scope the agent can finish.
- 3Run the result as a user, not as a fan of the tool.
- 4Inspect the diff, data access, and failure path before sharing.
Use this as the working prompt or checklist for the lesson.
Ask the builder: Enable Row Level Security on every user-owned table. Add policies so authenticated users can only select, insert, update, and delete rows where user_id equals auth.uid(). Show me the policies.- What should the user be able to do when this is finished?
- What data should the app or agent never expose?
- What test proves the change works?
- What rollback path exists if the output is wrong?
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