2025 in retrospective
From the beginning, the focus of this blog has been technical, very rarely organizational. I broke this unwritten rule once in 2015. I began …
Week in review: 5 January 2026
New authors
Welcome to Michal Maléř and Angelo Rubini, who published their first article on foojay.io this week.
Published this week
Quarkus: A Runtime and Framework for Cloud-Native Java
Public clouds such as AWS, Microsoft Azure, and Google Cloud, and platforms like Red Hat OpenShift, favor services that start fast and stay …
Java and Jakarta EE and the Evolution of the Cloud with Nanos Unikernel
Nanos shows that cloud-native can exist without adding complexity, and can be secure, faster, lighter, safer, more efficient, and more …
Optimizing Java for the Cloud-Native Era with Quarkus
This article explores how Quarkus can help organizations reduce costs, streamline development, and modernize their Java applications for …
Java Warmup and the Scaling Loop Problem
In cloud environments with auto-scaling, a “scaling loop” can make Java application warmup even worse. It can cause you to run unnecessary …
Not a Lucid Web3 Dream Anymore: x402, ERC-8004, A2A, and The Next Wave of AI Commerce
This article is for technically savvy readers, especially developers, protocol designers, and product teams working with AI agents, APIs, or …
How to choose your LLM without ruining your Java code
In the AI LLM ecosystem (Anthropic, OpenAI, Google, ...), if the code compiles and does what we asked is just level 1. I have been analyzing …