Alexander Holbreich

Everything becomes a little different as soon as it is spoken out loud

Architecture Decision Records: A Tool for Experienced Engineers

Architecture Decision Records (ADRs) are lightweight documents that capture architectural decisions along with their context and consequences, fostering transparency and continuity within agile teams. This article explores the origins of ADRs, their practical implementation, and real-world examples, highlighting how they enhance decision acceptance by involving engineers directly impacted by the outcomes. By combining ADRs with the Advice Process, organizations can achieve decentralized, collaborative decision-making, effectively leveraging collective expertise while maintaining architectural integrity.

February 8, 2025 · 10 min · Alexander Holbreich

Composable Architecture

Composable Architecture, DXP, Headless, API First. Exploration of modern understanding.

May 27, 2024 · 5 min · Alexander Holbreich

JDK 21: Virtual Threads

An introduction to JDK 21 virtual threads and practicals examples

October 4, 2022 · 5 min · Alexander Holbreich

(Typical) journey towards full GitOps

Description of a typical journey towards the GitOps with Flux

June 8, 2021 · 9 min · Alexander Holbreich

Blog with Hugo

How I switched from Ghost Blog to Hugo and how you can do it too.

April 2, 2021 · 2 min · Alexander Holbreich

How to setup EKS on AWS with terraform

How to set up AWS EKS Kubernetes cluster with Terraform, by DevOps expert

November 2, 2020 · 8 min · Alexander Holbreich

Kube-state-metrics 1.8.0 - all metrics docu

Listing of Kube-state-metrics with comments. For kube-state-metrics 1.8.0

May 5, 2020 · 12 min · Alexander Holbreich

Upgrading Fedora Linux

Fedora Linux upgrading guide: Step by Step

May 4, 2020 · 2 min · Alexander Holbreich

Installing Filebeat for Kubernetes Logs

Setup of Filebeat on a Kubernetes cluster for logs scraping

April 26, 2020 · 3 min · Alexander Holbreich

Installing Logstash on Kubernetes

Setuping Logstash on a Kubernetes cluster - The L in the ELK stack

April 25, 2020 · 3 min · Alexander Holbreich