Guides

Launch guides for vibe-coded apps

Short, current, step-by-step answers to the problems that stop AI-built apps going live. Each one is checked against the official docs, with the date shown.

• Supabase 42501 “permission denied for table” after 30 October: the GRANT fix

  From 30 October 2026 new Supabase tables need an explicit GRANT. Fix 42501 'permission denied for table' safely, and tell it apart from RLS empty results.

  5 min read →

• How to connect a custom domain to your Lovable app (and fix it when it won't verify)

  Connect your own domain to a Lovable app: the A and TXT records, the AAAA and Cloudflare-proxy traps (and Replit's DNS-only rule), SSL and sign-in fixes.

  6 min read →

• Is my Lovable app secure? A pre-launch Supabase RLS checklist

  Is your Lovable or Bolt app secure? A 10-step Supabase Row Level Security checklist: RLS, grants, policies, views, storage and testing as a stranger.

  5 min read →

• Stripe webhooks with Supabase Edge Functions: a working setup for Lovable and Bolt apps

  Fix Stripe webhook 401s and signature errors in Lovable and Bolt apps, with a working Supabase Edge Function setup based on the official examples.

  5 min read →