Why I built beanquery: a whitelist-first query API for JPA
Generic filter endpoints over JPA entities are convenient and dangerous. beanquery flips the default: nothing is queryable until you say so.
Writing on Java, Spring Boot and working with AI.
Notes from building open-source tools and shipping backends, collected in chronological order.
Licensing a Spring Boot app with beanguard
How beanguard issues, encrypts and verifies licences for Java applications, and how you enforce limits and features with annotations.
Working with Spring Boot and AI every day
What I hand to AI, what I keep, where it goes wrong, and the two files that keep Claude on course.