Implementing CQRS and Event Sourcing in Spring Boot
Introduction As applications grow, a single unified data model becomes a bottleneck. Read operations often require different data shapes than...
Securing Spring Boot Apps with OAuth2 and Keycloak
Introduction Modern applications require robust authentication and authorization. Instead of managing passwords and user sessions manually, developers increasingly rely on...
API Routing with Spring Cloud Gateway
Introduction When building microservices, routing requests correctly is one of the most important pieces of the architecture. Instead of calling...
Building Reactive APIs with Spring WebFlux
Introduction As applications scale, traditional thread-per-request servers struggle under heavy load. This is especially true for I/O-heavy systems, API aggregators,...
Feature Flagging: using LaunchDarkly or open‑source alternatives
Introduction Shipping new features can be risky, especially when they affect critical user flows like checkout, authentication, or payment processing....
Profiling CPU & Memory Usage in Python/Node/Java Apps
Introduction As applications grow in complexity and scale, understanding where performance bottlenecks occur becomes essential for maintaining responsive, efficient systems....
Running a Local Kubernetes Cluster with Minikube or Kind
Introduction Before deploying to cloud-managed Kubernetes services, testing locally saves time, money, and frustration. Local clusters allow developers to experiment...
Using Docker for Local Development: tips and pitfalls
Introduction Docker has transformed how developers build, test, and run applications locally. By packaging applications and their dependencies into containers,...
Pair Programming Over Distance: tools and techniques
Introduction Pair programming has always been a powerful way for developers to learn, share knowledge, and solve complex problems faster....