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Error: supabaseUrl is required — How to Fix It After Deploy
Your Supabase app works locally but shows a white screen in production with "supabaseUrl is required". Here's how to fix your environment variables.
6 min readSupabaseVercelFixesBlank screen
Vercel 404 NOT_FOUND on Page Refresh: How to Fix It
Your Vite or React app works until you refresh a page, then Vercel shows 404: NOT_FOUND. Here's why it happens and the one-file fix.
Vercel site down? How to tell if it's you or Vercel
Your site on Vercel stopped working. A five-minute routine to tell a Vercel outage from a problem in your deploy, domain or code — and how to get back online fast with a rollback.