How to add a real backend and database to a v0 app
Connect Supabase, Neon or Upstash to a v0 app, replace mock data with real queries, keep secret keys on the server and protect each user's rows.
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Guides for apps built with AI
Plain-language guides for people who built an app with Lovable, Bolt, Cursor, v0 or Replit: finding what broke, making it safe and getting it live.
110 articles · Page 1 of 13
How to secure your app's admin panel
How to protect an app's admin panel: roles checked on the server, where to store them in Supabase, two-factor for admins, audit logs and least privilege.
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An AI coding agent deleted my files or data: what now?
What to do right after an AI agent deletes files or database data, how to recover from git, checkpoints and backups, and settings that prevent a repeat.
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How to use Cursor or Claude Code on a large codebase
Why AI agents drift in big projects and how to keep control: a project map, plan mode, scoped tasks, less noise, reviewable diffs and fresh sessions.
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How to set up analytics in your web app (and respect privacy)
Decide what to measure, pick the few events that matter, choose a tool, send payment events from the server and handle consent without over-collecting.
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API key exposed in your frontend? How to tell and fix it
How to check whether a secret API key ships in your app's browser code, which keys are meant to be public, and how to move the secret ones to a server.
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App emails going to spam? Fix SPF, DKIM and DMARC
Why your app's sign-up, reset and receipt emails land in spam, how to set up SPF, DKIM and DMARC, and how to check that Gmail and Yahoo trust them.
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How much does it cost to maintain an app each month?
The monthly costs of keeping an app running: hosting, database, store fees, third-party services and developer time, with official prices and budget tips.
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Base44 limitations: when should you move to your own code?
Where Base44 fits and where it pinches: backend, data access, backups, credits and code control. The signs it's time to move, and options short of a rebuild.
Read articleStill stuck with your app?
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