Deploy NestJS on Railway with Postgres & Docker

Deploy NestJS on Railway with Postgres & Docker

In this video, I’ll walk you through how to deploy a NestJS application to Railway, fully containerized with Docker, and connected to a PostgreSQL database. You’ll learn how to configure your Dockerfile, set up environment variables, and get your app live with just a...
Optimizing NestJS Performance with HTTP Keep-Alive

Optimizing NestJS Performance with HTTP Keep-Alive

HTTP Keep-Alive, also known as HTTP persistent connection, is the practice of reusing a single TCP connection to send multiple HTTP requests and responses, instead of opening a new connection for every request (HTTP persistent connection – Wikipedia). In modern...
When to use Microservices in Node.js

When to use Microservices in Node.js

Introduction In Node.js development, one of the key architectural decisions is whether to build your application as a monolithic unit or as a collection of microservices. A monolithic architecture means your entire application (UI, server-side logic, database access,...
Speed Up Jest Test Suites with Sharding

Speed Up Jest Test Suites with Sharding

Large test suites in Node.js and React projects can significantly slow down your continuous integration (CI) pipeline. Jest already runs tests in parallel on a single machine using worker processes, but for very large suites you may need to parallelize across multiple...