Before You Charge Money: Stripe and Lemon Squeezy Billing Launch Checklist
A successful checkout is not a complete billing system. Before charging users, test the asynchronous…
Practical engineering guidance for AI-built apps
Production readiness, security, deployment, databases, and maintainability for people building with Lovable, Bolt.new, Cursor, Claude Code, and other AI development tools.
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SaaS Engineering
Deployment
AI App Deployment Reality Check: Vercel, Netlify, Environment Variables, and Rollback
A successful preview URL is not proof of a repeatable production deployment. Use this guide to find …
AI App Launch
Supabase and Firebase Launch Mistakes: RLS, Rules, Migrations, and Backups
The database is not production-ready just because CRUD works. Before launch, verify who owns every r…
Security
Authentication Is Not Authorization: How AI-Built Apps Leak Other Users’ Data
A user can be correctly logged in and still be allowed to read or change the wrong data. Here is how…
AI Development
AI Code Slop Diagnostic: 18 Signs Your App Needs Rescue Before Launch
AI code slop is not simply ugly code. It is accumulated inconsistency that makes an app difficult to…
AI & Machine Learning
Fail Loud, Never Fake: The Error Philosophy Your AI Agent Needs
AI coding agents are optimized to make things work — but that instinct produces the hardest-to-debug…