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.

• January 29, 2026

  Resiliency in System Design: What It Actually Means

  Resiliency is more than just keeping systems up. A look at what resiliency really means, the four core concepts behind it, and why the human element matters more than technical patterns.

  • System Design
  • Resiliency
  • Distributed Systems
  • Microservices
• January 27, 2026

  Prompt Injection: The SQL Injection of the AI Era

  What prompt injection is, why OWASP ranks it as the #1 security risk for LLM applications, real-world attacks, and how to defend against it

  • Security
  • AI
  • LLM
  • Prompt Injection
• January 26, 2026

  ClawdBot: Setup Guide + How to NOT Get Hacked

  What ClawdBot is, how to set it up, and the security configuration most guides skip that will prevent your server from becoming an open door

  • Security
  • AI
  • Self-Hosted
  • Infrastructure
• January 25, 2026

  Claude Code in Production: From Basics to Building Real Systems

  A practical guide to using Claude Code effectively - from planning and configuration to building production systems that actually work

  • AI
  • Developer Tools
  • Productivity
  • Claude Code
• January 25, 2026

  Failing Fast: Why Quick Failures Beat Slow Deaths

  Why failing fast is better than failing slow, how circuit breakers embody this principle, and where else this pattern shows up in system design

  • System Design
  • Resilience
  • Distributed Systems
  • Architecture
• January 14, 2026

  How to Make Architecture Decisions: RFCs, ADRs, and Getting Everyone Aligned

  A practical guide to making software architecture decisions - from writing RFCs to running effective decision meetings to documenting with ADRs

  • Architecture
  • Decision-Making
  • Team Collaboration
  • Process
• January 1, 2026

  The 8 Fallacies of Distributed Computing: Still Relevant in 2026

  A deep dive into the classic fallacies of distributed computing and why they matter more than ever in the age of microservices, cloud-native, and AI

  • Distributed Systems
  • System Design
  • Microservices
  • Cloud
• January 1, 2026

  Patching: The Boring Security Practice That Could Save You $700 Million

  Why patching matters, the Equifax breach, supply chain attacks, and how to stay on top of updates in complex modern systems

  • Security
  • DevOps
  • Infrastructure
  • Kubernetes
• 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