by mguay | Sep 12, 2026 | NestJS, Post
Two requests hit your API at the same moment. Both read the same product row, both see stock: 1, both decide the sale is fine, and both write stock: 0. You just sold one item twice. Nothing threw an error, nothing showed up in the logs, and you won’t hear about...
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 | Aug 9, 2025 | NestJS, Node.js, Post
Encrypting database traffic isn’t optional—especially if you’re handling user data or building anything that might one day need audits or certifications. Fortunately, enabling SSL/TLS for Postgres on AWS RDS with Drizzle ORM (node-postgres) in a NestJS app is...
by mguay | Oct 6, 2024 | Lecture, NestJS
We’ll dive into setting up multitenancy in a NestJS application using Drizzle ORM and Async Local Storage. This powerful combination allows you to efficiently manage multiple tenants in your application with minimal hassle....
