Lovable
auth
Supabase Anon Key Exposed in Client Code
Supabase anon key is visible in browser. Someone could copy it and use it to call Supabase API directly. Key is committed to Git. Security concern: data exposed via anon key.
Anon keys must be exposed on client but should never have direct table access. RLS policies protect data from unauthorized access even with key.
Common Causes
- No RLS policies on tables (anon key has full access)
- Anon key committed to Git instead of .env
- Anon key used in hard-coded strings
- Not rotating key after accidental exposure
- RLS policies not checking auth.uid() properly
How to Fix It
Use environment variables:
// .env.local (add to .gitignore)
VITE_SUPABASE_URL=...
VITE_SUPABASE_ANON_KEY=...Always implement RLS policies. Anon key with RLS is secure even if exposed. Rotate key in Supabase dashboard if compromised.
Real developers can help you.
ISHANTDEEP SINGH
Senior Software Engineer with 7+ years of experience in React, JavaScript, TypeScript, Next.js, and Node.js. I’ve also worked as a tech lead for startups, owning end-to-end technical execution including architecture, development, scaling, and delivery. I bring a strong mix of hands-on coding, product thinking, and technical leadership, and I’m comfortable building products from scratch as well as improving and scaling existing systems.
hanson1014
Full-stack developer experienced in fixing and deploying AI-generated apps from Lovable, Bolt.new, Cursor, and Replit. I specialize in debugging Supabase integration issues (auth flows, RLS policies, database connections), fixing broken deployments, resolving routing/blank screen problems, and cleaning up messy React/Vite codebases. I also build production apps with the Claude API and have shipped a Mac desktop dev tool (Nexterm from scratch. Based in Hong Kong, fast turnaround.
Simon A.
I'm a backend developer building APIs, emulators, and interactive game systems. Professionally, I've developed Java/Spring reporting solutions, managed relational and NoSQL databases, and implemented CI/CD workflows.
Bastien Labelle
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- Founder of Chessigma (1M+ users) & many small projects
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I’m a Full-Stack Developer with over 10 years of experience building modern web and mobile applications. I enjoy working across the full product lifecycle — turning ideas into real, well-built products that are intuitive for users and scalable for businesses.
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I've been working at a large software company named Kainos for 2 years, and mainly specialise in Platform Engineering. I regularly enjoy working on software products outside of work, and I'm a huge fan of game development using Unity. I personally enjoy Python & C# in my spare time, but I also specialise in multiple different platform-related technologies from my day job.
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Get HelpFrequently Asked Questions
Is anon key exposure dangerous?
Not with RLS. RLS prevents access regardless of key. But rotate key if truly exposed to unauthorized parties.
Where should I put secrets?
Browser: .env.local (git ignored). Server: .env file or deployment platform secrets. Never commit secrets.