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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 Security Architecture Principles by Daniel Garnier-Moiroux @ Spring I/O 2024

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ArchUnit Spring Integration

ArchUnit is a tremendously useful library for enforcing Java application architecture via unit testing. Fellow software developer and consultant Roland Weisleder recently published a new library called ArchUnit Spring Integration that helps with - well - better integrating ArchUnit with Spring applications. By introducing a DSL, ArchUnit Spring Integration allows you to easily enforce constraints regarding common Spring stereotypes such as @RestController. For example, using ArchUnit Spring Integration you can make sure that methods annotated with @GetMapping (or other HTTP verb mappings, for ... Read more

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

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Spring I/O 2023 – Keynote

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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

Thoughts about layered architecture – Mapping efficiently with SQL by Tim Zöller @ Spring I/O 2022

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Spring Framework 6: Infrastructure Themes by Juergen Hoeller @ Spring I/O 2022

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Let’s build components, not layers by Tom Hombergs @ Spring I/O 2022

At Spring I/O 2022, Tom Hombergs, another fellow co-author of "Stratospheric - From Zero to Production with Spring Boot and AWS", explored the subject of how to design the architecture of an application to make it both accessible and composable: Read more

Modular Applications with Spring by Oliver Drotbohm and Michael Plöd @ Spring I/O 2022

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Harnessing Amazon’s DynamoDB with Spring by Iuliana Cosmina @ Spring I/O 2022

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