by mguay | Jun 13, 2026 | NestJS, Post, React
I’ve built the same little CRUD app a dozen times to try out stacks. This time I wanted one thing above all else: a single source of truth for the API that the server and the client both compile against. Change a field, and both ends refuse to build until they...
by mguay | Mar 19, 2026 | Lecture, NestJS
Build type-safe APIs with NestJS and oRPC — define shared contracts with Zod, implement validated CRUD endpoints, and auto-generate OpenAPI docs in a Turborepo monorepo. Includes full-stack React frontend integration with TanStack Query for complete end-to-end type...
by mguay | Nov 24, 2025 | Lecture, NestJS, Next.js, Project
In this 3-hour, full-stack build, we create an AI chatbot from scratch using NestJS and Next.js. You’ll learn how to harness the Vercel AI SDK + Gateway to stream messages in real time, execute tool calls, and persist conversations with Drizzle ORM. By the end, you’ll...
by mguay | Oct 12, 2025 | Lecture, NestJS
In this lecture, we’ll build a complete NestJS project using Hexagonal Architecture and CQRS from the ground up. You’ll learn how to structure your code around core domain logic, application services, and infrastructure adapters — creating a clean, maintainable, and...
by mguay | Sep 3, 2025 | NestJS, Post
When building APIs, especially for payments or operations that modify state, you want to avoid executing the same request multiple times if the client retries. Stripe popularized the concept of idempotency keys: clients attach a unique key to a request, and the server...
