Build a CRM That Survives Real Users
You vibe-coded an app. Now make it survive real users.Most "build a CRM" tutorials hand you an insecure CRUD toy. This one hands you a production app and teaches you how a senior engineer builds and debugs it by driving Claude Code.You build Pipeline end to end: leads captured through a public form, moved through a Kanban pipeline, scored by an LLM, rolled up into a dashboard, with two companies sharing one deployment and never seeing each other's data.What you get: A 156-page guide (PDF), 18 chapters, one app built linearly to a live deploy. The complete, deployable repository, with a passing test suite. Per-chapter git branches. Run git checkout chapter-04 to see the app exactly as it stands at that point. Free lifetime updates. What you learn (the stuff tutorials skip): Multi-tenancy done correctly with Postgres Row Level Security, so a forgotten filter fails safe instead of leaking data. A real state machine, with illegal status moves rejected by the database itself. An audit trail written by a trigger, which hands you cycle-time metrics for free. Reliable structured output from an LLM using forced tool use with a strict schema. Payments and webhooks, with the webhook treated as the security boundary it is. The Server and Client component boundary in the Next.js App Router, where a lot of vibe-coded apps quietly break. Three real bugs are in the book on purpose. Each one passed a green TypeScript build and was caught only by an automated test. You learn to find and fix them, because your code will not always work first time.Stack: Next.js 15, React 19, TypeScript, Tailwind v4, Supabase (Postgres, Auth, RLS), Stripe, Anthropic Claude for scoring, Playwright for tests.
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