Tyk offers various products to manage APIs and services. The heart of its product palette is its open-source API Gateway. It is completely developed in Go and can serve as a proxy for REST, GraphQL, and other services. This guide describes how to run the API Gateway with Docker. What You’ll Need Docker …

Recently, I discovered an interesting esoteric programming language: Piet. Programs written in this language look like abstract paintings and commands are defined by the color changes in the picture/program. That’s what gives you a lot of freedom to create nice looking and functional programs, which makes it a lot of…

A guide for Java developers — Recently, I decided to hold a series of workshops about Java development at the CoderDojo Linz. As lots of kids and teens there enjoy playing Minecraft, it was a straightforward decision to choose Minecraft plugin development as the topic for these workshops. As I never played Minecraft before, I wanted…

Have you ever thought about joining a coding contest but then decided against it? If yes, this post will encourage you to take the challenge next time. At a coding contest or competition you are faced one big or various smaller problems (depending on the contest) which you have to…

Something big is coming up! In the next weeks and probably months I’ll be busy implementing Clubrizer. But wait, what is this actually? Clubrizer will be an application (to be precise, a Progressive Web App), that eases the communication within clubs or teams. …

I’m a big fan of communities, which is why I enjoy being part of them a lot. I have been active at a local Inline-Speedskating Club for more than 10 years now and just thought it would be time for helping at another community as well. This second community turned…

In the last few days I had a great time unwrapping Tom’s Data Onion, which is a programming puzzle in a text file. On my journey to THE CORE I learned a few new things about bitwise operations and encryption algorithms. …

As Amazon is blocking all outgoing traffic on port 25 (SMTP) sending mails via Mailgun won’t work. Therefore, I decided to send all mails to subscribers via Amazon Simple Email Service (SES). In this post you can read how I set everything up to make this working. Why do I want to use Amazon Simple Email Service? In the beginning…

To style my Ghost blog I purchased the theme Nurui made by fueko, because I really like its style. Nevertheless there are some things I customized to make it even better. In the following I’ll show you which changes I made and how I did them. Add a Table of Contents As some posts are…