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The Main Thread

Markus Eisele

Deep dives into Quarkus, AI tooling, and the architecture decisions that actually matter for senior Java engineers.

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Issues548Founded2 years agoLast Issue4 days ago
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Latest Issues

Checkstyle ImportControl: Enforce Package Boundaries in Quarkus

Imagine I am reviewing a Quarkus service with a customer. The architecture diagram puts a clean domain model in the center, so we open Product.java first. It is a small record with four fields and three validation checks. It looks exactly...

4 days ago
2

IBM Bob in GitHub Actions: A Bounded Build for Markdown Publishing

Building websites used to be one of the more enjoyable parts of software work for me. The code was only half of it. Typography, spacing, color, and visual rhythm all needed judgment, and getting those pieces to work together took a fair amo...

6 days ago
3

Quarkus QuickJS4j: Build a Carrier Webhook Normalizer

Someone brought me a problem that starts out looking like a mapper. Their service receives signed webhooks from several parcel carriers. Every carrier reports the same operational event, but each one names fields, nests data, and describes...

8 days ago
3

Quarkus Fory: A Binary Contract for Internal REST

I had a customer conversation recently about a service pair like this. A catalog service returned a pricing snapshot as JSON. An internal Java service received that same snapshot for every quote. We talked about when a binary format pays fo...

10 days ago
4

Quarkus Banner: Build Your First FIGlet Startup Banner

A startup banner is decoration. I expected this one to be a five-minute configuration change.

Then I changed the text on the packaged application:

QUARKUS_BANNER_GENERATOR_TEXT=RUNTIME \
  java -jar target/quarkus-app/qua...
12 days ago
5

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  • Markus Eisele

    I’ve spent 20+ years helping Java systems adapt without breaking. Here I share the architecture, tools, and thinking behind that work. Java Champion · Developer · IBM Research.

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