Backend Development — NDLab Blog

Backend Development Dec 04, 2025 4 min read

Part 3.4 — Error Handling, Pipes, Filters & Global Interceptors

Production backends thrive on predictable errors, structured validation, and consistent responses. In this post, you’ll learn how to build those foundations using NestJS pipes, filters, and interceptors.

Backend Development Dec 03, 2025 4 min read

Part 3.3 — Prisma Queries, Relations & Best Practices

This post teaches you how to design efficient, relational Prisma queries while avoiding N+1 errors, modeling relations cleanly, and thinking like a PostgreSQL-first backend engineer.

Backend Development Dec 02, 2025 5 min read

Part 3.2 — Building REST Controllers, Services & DTO Validation

Clean REST architecture starts with controllers, services, and DTO validation. In this post, you’ll build the structure behind every API endpoint you’ll create moving forward.

Backend Development Dec 01, 2025 3 min read

Part 3.1 — Project Setup & Prisma Schema

This post walks you through setting up a clean NestJS backend with Prisma and PostgreSQL — the foundation for all backend work across the rest of this series.