A comprehensive guide to building a production-ready full-stack SaaS application using TanStack Start, Elysia, Drizzle ORM, Neon PostgreSQL, Better Auth, Stripe, and Inngest. Covers end-to-end type safety from database schema to React components without code generation, using Eden Treaty for typed API calls. Topics include project setup, database schema design, embedding Elysia inside TanStack Start, GitHub OAuth authentication, a repeatable four-layer feature pattern (schema → API → hooks → UI), Stripe payment processing with webhook handling, and background job processing with Inngest.
Table of contents
Table of ContentsPrerequisitesHow to Set Up the ProjectHow to Configure the Database with Drizzle and NeonHow to Build the API with ElysiaHow to Add Type-Safe API Calls with Eden TreatyHow to Add Authentication with Better AuthHow to Build a Complete Feature (The Four-Layer Pattern)How to Add Payments with StripeHow to Add Background Jobs with InngestHow to Deploy to Vercel with NeonConclusion6 Comments
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