What Contributing to Two Keycloak Projects Taught Me About Building Authentication Extensions
Three easy-to-miss boundaries in Keycloak extensions: selection, enrollment and packaging.
Oct 19, 2026
7 min
Born from Flaws: The Chain Reaction That Created Every Programming Language
Every programming language exists because an older one hurt. Follow the chain from assembly to C, C++, Java, Python, Go, and Rust, and see e...
Oct 16, 2026
7 min
The Hidden Cost of “Just Add a Setting”
“Can we just add a setting for this?” It sounds harmless. Suppose an office should be able to choose its default appointment duration. The f...
Sep 9, 2026
16 min
Stop Creating an Endpoint for Every Button
There is a pattern that feels completely natural when building an API. The frontend gets an Approve button, so the backend gets an endpoint:...
Sep 7, 2026
9 min
Event-Driven Microservices with Apache Kafka, Redis Caching and Transactional Outbox Pattern
Master high-throughput event-driven microservices architecture using Java 21, Spring Boot 3.4+, Apache Kafka, Redis distributed locking and ...
Aug 16, 2026
3 min
Centralized Secret Management with Spring Cloud Config & Vault: A Production Guide
Hardcoding DB credentials, JWT secrets or API keys inside application.yml or Docker images is a security disaster waiting to happen. Learn h...
Aug 1, 2026
2 min
Service Discovery with Eureka and Spring Cloud: A Production Hands-On Guide
Learn how to build production-grade service discovery with Eureka and Spring Cloud LoadBalancer. Includes real-world heartbeat tuning and me...
Jul 31, 2026
3 min