A secure NestJS + Prisma API starter, piece by piece
Most NestJS tutorials stop at nest new and a controller. The part that takes time is everything that wraps the controllers: security headers, a CORS…
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NestJS hexagonal architecture: where DTOs, domain models, and types belong
Start with the boundary: who sends this data, who owns its meaning, and who is allowed to change it? In a NestJS hexagonal architecture, use transpo…
Why in-memory MCP sessions fail behind a load balancer (NestJS demo)
By Shilpa Mareddy Two copies of an MCP (Model Context Protocol) server (a server that AI applications call tools on) sit behind a round-robin load b…
Building a Temporary Message Sharing API with NestJS, PostgreSQL, Prisma & Redis
I recently built a temporary message-sharing API from scratch using NestJS, PostgreSQL, Prisma and Redis . The idea is simple: Create a message, gen…
I Wired the Boring 80% So You Can Build the Interesting 20%
Built for the AI era: a production-ready TypeScript modular monolith with guardrails for robot coworkers. Every new project starts the same way. You…
Moleculer vs NestJS: which one, and when
If you are choosing a framework for a Node.js backend that will be more than one service, you will end up comparing NestJS and Moleculer. People ask…
NestJS Recipes
Hello everyone! Hope you are having a great day. 🖐️ There is always that foundational boilerplate code in NestJS projects that takes up most of our…
Как мы победили рутину: строим spec-driven платформу для генерации email
410 вариантов писем, сотня микросервисов и до 15 файлов, которые приходилось править ради одной нотификации. Добавление письма превратилось в квест:…
Redora 0.3.1 — Redis for NestJS
There are already good Redis tools for NestJS. Most of them mainly help you connect NestJS to Redis and use the Redis client. That's useful, but as…
The Criteria pattern in NestJS: what a client may ask for is a file, not a signature
The Criteria pattern in NestJS One single way to filter, sort and paginate any list. Five parameters and a find() The example running through this a…
Transactions in NestJS and TypeORM without passing the EntityManager around
Transactions promise a simple guarantee: either everything commits, or nothing does. And yet, in a NestJS application with a repository layer, it is…
NestJS Error Capture: Tracking HTTP Exceptions Through Filter and Interceptor Boundaries
For a production logistics agent, error tracking should use one failure envelope at every execution boundary, then attach cost and latency before th…
The Repository Pattern in NestJS: a collection that happens to live in a database
The canonical starting point for a NestJS module backed by TypeORM is the one the framework itself documents: the module declares TypeOrmModule.forF…
Next.js + NestJS: Useful Architecture or Unnecessary Complexity?
Next.js and NestJS are often compared as if you have to choose one. But that comparison is slightly misleading. Next.js is primarily a React framewo…
Building Multi-Tenant Auth from Scratch Is Painful. So I Open-Sourced MT-URBAC (NestJS + Angular)
Every time you build a SaaS product, you hit the same wall: spending the first few days re-writing multi-tenant architecture, handling tenant contex…
Reliable Webhook Processing in NestJS: Signatures, Idempotency, Retries & Queues
Build reliable NestJS webhooks for SaaS payments and integrations using signature verification, idempotency, durable inboxes, queues, retries, and o…
AWS Lambda and NestJS: Communication between services
Originally published on Medium on November 11, 2023. In this guide, we’ll speak about communication in a distributed system using AWS Lambda and Nes…
NestJS v12.0 vs. Ditsmod v3.0: A Deep Dive into Node.js Framework Architectures (Part 1)
If you are building enterprise-grade Node.js applications with TypeScript, chances are you are already deeply familiar with NestJS . It has become t…
Structured Logging for Node.js
In Monitoring a SaaS in Production we wired up metrics and alerts so the team knows something is wrong within minutes of it happening. Metrics tell…
Audit Logs You Can Trust
In Structured Logging for Node.js , I covered how to turn scattered console.log calls into structured, queryable events. That solves the "what happe…
Scaling a SaaS Beyond One Server
In Deploying a Full Stack SaaS , I got the app running in production on a single instance: Docker images, a CI/CD pipeline, one NestJS container and…
Monitoring a SaaS in Production
In the last article , I set up a pipeline that builds, tests, and deploys the monorepo automatically. That solves getting code out safely and repeat…
Organizations, Teams, and Invitations
In Subscription Billing and Plans we wired up the part of the product that collects money. This article covers the part that gets people into the pr…
Subscription Billing and Plans
Last time, in Accepting Payments with Stripe , I covered the part everyone assumes is the hard bit: taking a card and moving money. It isn't, really…
A Production Security Checklist
We spent the last article making the app fast. This one is about making sure it's still standing when someone tries to break it. That's the uncomfor…
The Quiet Risk in How Most Banks Store Customer Documents, and How NestJS Handles It Properly
A compliance officer at a bank was preparing for an upcoming audit when she asked a question nobody on the engineering team had a clean answer to. E…
A Bank Wanted to Use AI to Approve Loans Faster, Here Is What I Would Build Around It in NestJS
A loan officer at a small digital bank was excited about the new model the data team had built. It could score a loan application in under a second,…
The First Question I Would Ask a Bank Before Using NestJS to Make Sure Their Money Is Always Accounted For
A finance officer at a mid sized bank was closing out the month when the numbers refused to line up. Customer accounts held a few cents more, in tot…
A Folder Structure That Scales for Full Stack SaaS
Your .env files are validated and out of Git by now, thanks to the last article on managing environment variables and secrets . The app boots with t…
Building Production-Ready AI Features in Next.js: Beyond the Chatbot
Most AI tutorials teach you how to send a prompt to an LLM and display the response. That's enough for a demo. But building AI features that are rel…