Ivo Katunaric
All Posts by Ivo Katunaric
Build a Secure NestJS API with Postgres
Note: In May 2025, the Okta Integrator Free Plan replaced Okta Developer Edition Accounts, and the Okta CLI was deprecated. We preserved this post for reference, but the instructions no longer work exactly as written. Replace the Okta CLI commands by manually configuring Okta following the instructions in our Developer Documentation. NestJS is a modern, progressive framework for building Node.js applications and APIs. NestJS is built on TypeScript, and is designed to use solid programming...
Get Started with Koa.js for Node Applications
Note: In May 2025, the Okta Integrator Free Plan replaced Okta Developer Edition Accounts, and the Okta CLI was deprecated. We preserved this post for reference, but the instructions no longer work exactly as written. Replace the Okta CLI commands by manually configuring Okta following the instructions in our Developer Documentation. Ever since JavaScript made its giant leap from frontend to backend more than 10 years ago, Express has been the go-to library for writing...
Painless Node.js Authentication
Note: In May 2025, the Okta Integrator Free Plan replaced Okta Developer Edition Accounts, and the Okta CLI was deprecated. We preserved this post for reference, but the instructions no longer work exactly as written. Replace the Okta CLI commands by manually configuring Okta following the instructions in our Developer Documentation. User authentication is a critical component of just about every web application. Unfortunately, while authentication is a core part of all websites, it can...
Build a NodeJS App with TypeScript
As dynamically typed languages became prominent during the last decade, typeless (or should I say lawless?) programming became the norm for the backend as well as the frontend. Many people believe the simplicity of “just writing” code is efficient for providing a proof of concept or prototyping applications. However, as those applications grow, the typeless code used to build them often becomes incredibly convoluted and more difficult (some would say impossible) to manage. In the...
Build a Simple CRUD Application with Node and MySQL
Note: In May 2025, the Okta Integrator Free Plan replaced Okta Developer Edition Accounts, and the Okta CLI was deprecated. We preserved this post for reference, but the instructions no longer work exactly as written. Replace the Okta CLI commands by manually configuring Okta following the instructions in our Developer Documentation. NodeJS + Express is a popular technology stack for building APIs and backend services. Often times a backend database is required. There are several...