#NestJS - Posts Tagged on ZyVOP

Four Ways a Refresh Token Request Fails — Only One Means Trouble

A refresh token system where every token is single-use and belongs to a token family. Invalid, expired, and revoked are routine. Reuse means a stolen ...

session security NestJS typeorm token rotation

ZyVOPJul 7, 2026

7 min12

Tutorial

Rate Limiting Alone Won't Stop a Patient Attacker

IP-based throttling and account-based lockout solve different problems and neither substitutes for the other. Built and tested in NestJS: the exact re...

@nestjs/throttler NestJS typeorm Rate Limiting

Tutorial

Background Jobs in NestJS with BullMQ: A Complete Walkthrough

A from-scratch background job pipeline in NestJS using BullMQ and Redis, demonstrated on an async LLM draft-generation endpoint — covering retry/backo...

Idempotency NestJS Node.js async processing

Tutorial

Implementing Two-Factor Authentication (TOTP) in NestJS: With Full Source Code

A from-scratch implementation of TOTP-based two-factor authentication in NestJS, covering secret generation, QR code enrollment, partial vs. full JWTs...

authentication security Passport.js otpauth postgresql

Tutorial

IDOR Vulnerabilities in NestJS: How to Build Ownership Guards That Actually Protect Your Data

IDOR is OWASP's top API risk for a reason. A single missing ownership check can expose customer data across your entire application. This guide shows ...

OWASP NestJS BOLA Node.js

NestJS Error Monitoring with Sentry: Production-Grade Setup Guide

Modern backend systems rarely fail in obvious ways. APIs timeout silently, background jobs crash without logs, and database exceptions disappear behin...

NestJS sentry nodejs DevOps

ZyVOP

TypeORM is Killing Your Node Process: Handling Large Datasets Without OOM Crashes

Object-Relational Mappers (ORMs) are excellent for standard CRUD operations, relationship management, and schema migrations. But when you transition f...

postgresql backend NestJS typeorm

ZyVOP

How to Integrate Cloudflare R2 Object Storage with NestJS for Seamless File Uploads

When building modern web applications, handling file uploads efficiently and cost-effectively is a top priority. While storing files on a local disk i...

Multipart Uploads Object Storage NestJS S3 Compatible Storage