Oliver Drotbohm Archive About Tags

Conference Autumn

September 1st, 2023 - Permalink

I’m currently busy booking travel for quite a few conference and JUG appearances that have been in the pipeline for a while. It’s gonna be a wild mix of Spring Modulith talks and workshops, Domain-Driven Design, jMolecules and a Spring get together with members of the core team. Some of these events are commercial, but others are free to attend. Be sure to sign up, I would love to see you!

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Sliced Onion Architecture

July 25th, 2023 - Permalink

It has been almost exactly 15 years since Jeffrey Palermo posted the first blog of his series on the Onion Architecture. In that post, he summarized ideas that essentially form a continuation of the Hexagonal Architecture approach by Alistair Cockburn. Although I have always thought that both of these approaches to code organization do not necessarily constitute “architectures”, I find them helpful in shaping a mental model about how to structure a code base. Over the years, I have seen plenty of teams trying to follow those models and running into problems with them. In this blog post, I would like to summarize a few of those findings and present a refined way of looking at Onion Architecture.

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Moduliths 1.1 released

July 2nd, 2021 - Permalink

I’d like to announce the availability of Moduliths 1.1 GA. Moduliths is a toolkit to create modular, monolithic applications based on Spring Boot. The release ships with significant improvements and new features:

Let me walk you through the most significant additions in a bit more detail.

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Spring RESTBucks in 2021

April 14th, 2021 - Permalink

The RESTBucks sample project has served as showcase for various Spring related technologies in the context of building a hypermedia based API implementing a high-level business process for almost a decade. It has evolved significantly since then and – in the last couple of months – accumulated quite a batch of changes. I think that it’s worthwhile to have a look at them and how new libraries, specs, and their integration into Spring projects shape the sample.

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Architecturally evident code with jMolecules

February 22nd, 2021 - Permalink

Expressing architectural concepts in code often stops at naming conventions and technologies implicitly describing these concepts. jMolecules provides annotations and types to describe architectural context and technology specific integration to derive concept specific default mappings and boilerplate code to minimize the gap between architectural idea and the code written to implement those.

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