Lukas Niessen

ArchUnitTS

I created and maintain ArchUnitTS, a software architecture testing library. It helps enforce architecture rules, detect circular dependencies, and ensure coding standards in TypeScript and JavaScript projects. Measured by GitHub stars, ArchUnitTS is the #1 architecture testing library for TypeScript projects.

• November 29, 2025

  Ephemeral Infrastructure: Why Short-Lived is a Good Thing

  Understanding ephemeral infrastructure and why designing systems to be disposable makes them more reliable

  • Infrastructure
  • DevOps
  • Kubernetes
  • Cloud
• November 24, 2025

  Terraform: Best Practices and Cheat Sheet for the Basics

  A walkthrough of best practices for Terraform, as well as a collection in cheat sheet style for basic syntax and other basics

  • Terraform
  • Infrastructure
  • DevOps
  • IaC
• November 20, 2025

  How to create Roadmaps?

  A guide on how to create roadmaps in the IT, why it matters, and a brief overview of my personal experiences

  • roadmap
  • management
• October 18, 2025

  ArchUnitTS vs eslint-plugin-import: My side project reached 200 stars on GitHub

  ArchUnitTS vs eslint-plugin-import comparison

  • Architecture
  • TypeScript
  • ArchUnitTS
  • ArchUnit
• October 15, 2025

  My side project ArchUnitTS reached 200 stars on GitHub

  My open source library just hit 200 stars on GitHub, making it the #1 architecture testing framework in the TypeScript world! 🌍 🥇

  • Architecture
  • TypeScript
  • ArchUnitTS
  • ArchUnit
• September 25, 2025

  Immutable Infrastructure: Why You Should Replace, Not Patch

  A discussion of immutable infrastructure, why it matters, and how to implement it

  • Infrastructure
  • DevOps
  • Cloud
  • Terraform
• September 13, 2025

  NSFW content detection via AI: How we solved it in my startup

  Here is exactly how we tackled detecting NSFW content using AI in my startup SocialHubs UG

  • AI
• September 13, 2025

  Small vs Large AI Models & Open vs Closed Approaches

  Comparing small and large AI models, and examining the tradeoffs between open and closed model approaches

  • AI
  • LLM
  • Open Source
• July 30, 2025

  Lessons Learned in my IT Carreer: SWE, Software Architect, Startup CEO, Presales

  This is a collection of some lessons I've learned in my nearly 10 years in the IT

  • IT
  • Lessons
  • Carreer
  • Advice
• July 19, 2025

  Idempotency in System Design: Full example

  Understanding idempotence in system design with practical examples and real-world scenarios

  • System Design
  • Idempotency
  • Message Processing
  • Distributed Systems