Blog

Kubernetes Probes

Kubernetes probes are for validating container health and readiness. But how should these probes be used? Do we need both? Can we share endpoints? This post tries to give some recommendations.

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Command & Control, SAFe, Domain-driven Design, and Release Trains

Large complex projects are difficult to manage. Software release trains are one solution to coordinate such projects. But the approach is not a great fit for self-organization and modern management ideas.

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Identification of quality requirements with Quality Storming

Collaborative modeling for a cross-skill collection and prioritization of quality requirements

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Don’t tell me I’m not building a web application

How do we decide what technology stack that we want to use for any given project? Is it really based on how perfectly well suited the technology is to the problem at hand or do we really just want to use the technologies that we like and are comfortable with? I’m happy in my filter bubble, rendering web applications on the server and progressively enhancing them on the client. But I also recognize my bias. Do you?

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So you want to compose some functions

Let’s say you have a list of functions and you want to compose them. Should be trivial, right? Of course it is, but maybe there’s an elegant way.

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An Introduction to TypeScript

for Backend Development (and Java Developers)

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Traefik v2 and Mastodon, a wonderful couple!

Traefik and Mastodon are a wonderful combination. However, practical guides for Traefik v2 are rare and Mastodon dropped its guide for deployment using docker. In this blog post I will show an easy solution for setting up a Mastodon instance behind Traefik as reverse proxy with almost all required configuration made in a self-contained docker-compose file.

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JavaScript? Yes, but in moderation

The benefits of classic architecture decisions for web applications.

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Cloud Computing and Carbon Footprint

How vendor lock-in can harm a company’s green business plan

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What Could Possibly Go Wrong

What could possibly go wrong if you put Clojure 1.10 and Scala 2.13 on the same classpath? We’re about to find out.

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code-your-model

Some time ago I was looking for some simple, lightweight tool to document a complex, modularized model. I was not able to find anything that fits my requirements or expectations, so I came up with my own idea. Today, a good 15 months later, I want to introduce it to you.

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Automating GitHub Pages Deployments with GitHub Actions

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Animating SVG Icon Transitions

This describes options for morphing one SVG icon into another using both SMIL or CSS transforms.

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Choose Your Docker Base Image Wisely

A while ago, I ran into a problem with my application that only occurred in production but not locally. The reason we use Docker both locally and in production is to prevent exactly that from happening. What went wrong?

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Type checking JSX: A can of props

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The many ways of testing Smart Contracts in Ethereum

You have implemented a smart contract for Ethereum, and now you are wondering how you can test it under real-life conditions, but without spending money in case there’s a problem? Luckily, there are test networks that can help you with this.

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(De-)Serializing JavaScript Models with Metaprogramming

DIY abstraction for serializing and deserializing JavaScript model instances

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Familiarity - friend or foe

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The Perversion of Agile Metaphors

Agility is at its core a set of values. Do the typical agile metaphors actually fit the values or do they rather lead to misunderstandings?

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How to add Swift functions as polyfills in JavaScriptCore

Reusing existing JavaScript implementations of your web app for your iOS app can be a good choice for some complex calculations. Unfortunately anything that is not part of the pure JavaScript language won’t be available. Learn in this blog post how to supply missing functionality via native code.

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The NUMMI Factory — A Parable About Software Development

What We Can Learn from other Industries

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Integrating Logback with JLine

Logback is a popular logging library for Java. JLine can be used to create nice shell-like applications. Combining both is not as hard as it looks.

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No Silver Bullets - Except Continuous Delivery?

There are no silver bullets. But continuous delivery promises so many advantages that it could be such a silver bullet. So what is true: Do silver bullets actually exist or is continuous delivery overrated?

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Verification of smart contracts

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React App from Scratch

This blog post shows how to setup a React App from scratch with express and React Router.