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Ich bin selbständiger IT Berater und Unternehmer in der Internet und Software Branche. Ich beschäftige mich mit Design, Enterprise Applikationen, Web Apps und SaaS Produkten. Ich entwerfe und entwickle Business Lösungen und Anwendungen. Ich helfe Unternehmen in Sachen Software Qualität und Wissenstransfer, z.B. mit Angular und Spring Boot.

(English) Stratospheric – Version 1.1 Released

Leider ist der Eintrag nur auf Britisches Englisch verfügbar.Last week, we released the first update of "Stratospheric - From Zero to Production with Spring Boot and AWS" after our 1.0 release in August. Thanks a lot to GitHub users anthony-be, skhurram, alrawas, mygordienko, and lealceldeiro, who contributed to our sample Todo app by creating issues and pull requests. The code changes resulting from these contributions in turn are reflected in our latest update for the eBook, in which we clarified some aspects about ... Read more

(English) Now Available as a Kindle Edition, Too: “Stratospheric – From Zero to Production with Spring Boot and AWS”

Leider ist der Eintrag nur auf Britisches Englisch verfügbar.Stratospheric – From Zero to Production with Spring Boot and AWS is now available as a Kindle edition on Amazon, too. Read more

(English) Hexagonal Architectures: @Column(nullable = false) vs @NotNull in Java Applications

Leider ist der Eintrag nur auf Britisches Englisch verfügbar.Recently, I came across a small and common, but all the more interesting, hands-on example of why a hexagonal architecture can help with making both the architecture and the code of an application more understandable, approachable, and maintainable. I won't be going into any details about the concept of and ideas behind hexagonal architecture here. The gist is summarised quite nicely in this quote from Tom Homberg's article on Hexagonal Architecture with Java and ... Read more

(English) A few random thoughts on the development of software development in recent years

Leider ist der Eintrag nur auf Britisches Englisch verfügbar.Last year, I replied to Tom's question "Has software development grown harder over the last years or have I just grown sluggish?" on Twitter with these incoherent ramblings of a greybeard, who has seen at least 3 fat-client-thin-client cycles: As usual it depends. Just a few examples: Spring Webflux and the "Everything has to be reactive even if the requirements don't demand it." fad is a bane. Just recently, I've been helping a client with ... Read more

(English) Excalidraw: Shapes for UML & ER Diagrams

Leider ist der Eintrag nur auf Britisches Englisch verfügbar.Excalidraw is a fairly new (having started in January 2020) virtual whiteboard software for creating diagrams with a hand-drawn aspect. I really like the aesthetics of diagrams created with Excalidraw. They have a natural feel and elegance to them. However, when recently revising some of the diagrams for Stratospheric – From Zero to Production with Spring Boot and AWS I found Excalidraw to be lacking shapes for UML & ER diagrams. I know, not everyone ... Read more

(English) Recording of the Stratospheric Release Party

Leider ist der Eintrag nur auf Britisches Englisch verfügbar.The recording of the release party for the content-complete version 1.0 of Stratospheric – From Zero to Production with Spring Boot and AWS is available here: Read more

(English) Stratospheric – In Orbit Now: Content-complete Version 1.0

Leider ist der Eintrag nur auf Britisches Englisch verfügbar.Last week, we released version 1.0 of our eBook "Stratospheric - From Zero to Production with Spring Boot and AWS"! We hope you like this now content-complete release version of Stratospheric. Thanks to everyone who showed their trust in this project during its early stages! Here are some key facts about this project and the application we built as part of the book: 445 pages eBook with practical hands-on advice for running production-ready Spring Boot applications ... Read more

(English) A Catalogue of Design Patterns

Leider ist der Eintrag nur auf Britisches Englisch verfügbar.Recently, I came across this well-structured as well as visually appealing catalogue of software design patterns on Refactoring.Guru. The subject of design patterns can be a somewhat dry, unwieldy one. Hence, using visuals and metaphors can come in handy when explaining both the general idea behind design patterns and specific patterns alongside with their use cases. Refactoring.Guru does a great job not only at explaining the origin and purpose of and rationale behind design patterns ... Read more

(English) A Collection of for a Improving the UX of Signup  and  Login Workflows

Leider ist der Eintrag nur auf Britisches Englisch verfügbar.Independent UX designer Erik D. Kennedy recently published an article with 15 Tips for Better Signup / Login UX on Learn UI Design - a website through which he provides acclaimed courses on both UI and UX design. The article lists general suggestions such as autofocusing on the first field (i.e. the username, or rather: email, field), immediately validating form values, or making input labels clickable, as well as more specific - but no less expedient ... Read more

(English) Cloud Design Patterns

Leider ist der Eintrag nur auf Britisches Englisch verfügbar.In the past few months, I've been working a lot with distributed applications and more complex cloud architectures, both in terms of Stratospheric - From Zero to Production with Spring Boot and AWS (the eBook I'm currently writing together with Tom Hombergs and Philip Riecks) and client work. Microsoft's library of Cloud Design Patterns (as previously mentioned in this blog post) is a collection of cloud-related software and infrastructure design patterns that can help ... Read more
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