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I’m an independent IT consultant and entrepreneur in the Internet and software business. I’m interested in design, enterprise applications, web apps and SaaS products. I design and develop business solutions and applications. I help companies in terms of software quality and knowledge transfer, e.g. with Angular and Spring Boot.

Spring I/O 2023 – After Movie

I'm in Barcelona right now for this year's Spring I/O. To give you an idea what this fantastic conference and the mood is like, here's a video from last year: Read more

The “Spring Way” of Doing Things by Lee Sheinberg

Lee Sheinberg of Digma (providers of a continuous feedback tool for Java development) recently published this article on The “Spring Way” of Doing Things, which covers quite a few useful suggestions on how to improve the way you write Spring Boot applications by applying common best practices such as keeping your controllers lean or handling exceptions globally. Read more

Everything You Need to Know About Spring AI (as of now, that is …)

Recently, Gaurav Sharma of Unlogged posted this useful article on "All You Need to Know About Spring AI". Spring AI is a project within the Spring Framework that "aims to streamline the development of applications that incorporate artificial intelligence functionality without unnecessary complexity". Read more

Architecturally evident Spring applications with jMolecules by Oliver Drotbohm @ Spring I/O 2023

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Java Design Patterns

Based on Christopher Alexander's pattern language, design patterns in software allow us to apply reusable patterns to common use cases and scenarios in software development instead of having to reinvent the proverbial wheel each time we're facing similar problems. If you'd like to brush up on design patterns in the context of Java as a programming language, Java Design Patterns has you covered. Java Design Patterns is a website "showcasing Java-based design patterns, principles, and code snippets". For a more general, language-independent overview ... Read more

Stratospheric Online Course: Version 1.0 Now Available 🥳

Earlier his week, we released version 1.0 of the Stratospheric Online Course - a companion course to our ebook "Stratospheric - From Zero to Production with Spring Boot and AWS"! The Stratospheric online course includes a total of 36 lessons and 33 videos (7.5 hrs of video content!), alongside with relevant resources, links, transcripts (see below for a complete table of contents), and 29 quizzes to test your knowledge. Get the Stratospheric online course now! This online course will teach you how to develop ... Read more

Aarron Walter – Returning to Your Maker Roots @ beyond tellerrand Düsseldorf 2022

To me - with many of the speakers (Geri Coady, Jude Pullen, Cabeza Patata, among others) talking about change and experiments - Aarron Walter's idea of reconsidering (which inspired the Re:considering podcast co-hosted by Aarron) what's truly important to you has been the overarching theme of this year's beyond tellerrand Düsseldorf: Read more

I see numbers

Metaphors play a vital role in how human beings make sense of the world. The ways in which we view and describe both the world around us and abstract thoughts often are inherently metaphorical. When relating to time, for example, we often use spatial metaphors such as "to look forward to", "time moving forward", or "to turn back time". For some though, relating to time in terms of spatial concepts and relations can take on quite a literal meaning. I've always visualised numbers, ... Read more

Guest Post on the AWS Open Source Blog: Using PostgreSQL with Spring Boot on AWS

Last week, another two-part article by Tom Hombergs, Philip Riecks, and me was published on the AWS Open Source Blog. Thanks a lot to Ricardo Sueiras for making this possible. This time around we wrote about how to use a PostgreSQL database with Amazon RDS and Spring Boot: Using PostgreSQL with Spring Boot on AWS — Part 1 Using PostgreSQL with Spring Boot on AWS — Part 2 These articles draw upon the chapter Connecting to a Database with Amazon RDS from our eBook Stratospheric ... Read more

Opinion-driven Design: Simplicity Over Flexibility

Software developer Brent Roose recently wrote a blog post on what he calls "opinion-driven design". His point his that while a mindset of "high configurability and flexibility" is undoubtedly common when it comes to the development of software frameworks and libraries, it ultimately is also misguided in most cases. In an attempt to both accommodate every possible use case and to remain in control (also known as the "Not invented here" (NIH) syndrome), framework developers tend to favour flexibility at the expense of ... Read more
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