A hands-on guide to Spring Modulith for building well-structured modular monoliths. Covers module boundaries, enforced encapsulation, event-driven communication, testing module isolation, and when this architecture beats microservices.
A step-by-step guide to integrating Spring Cloud Gateway with Micrometer Tracing using the Brave bridge. Covers dependencies, configuration, route definitions, trace propagation, and verification with Zipkin or Jaeger.
Learn how to enable and use virtual threads in Spring Boot. Understand what Project Loom changes, when virtual threads help, and how to migrate from platform threads with practical examples.
A hands-on guide to tuning Spring Boot applications for production performance. Covers JVM flags, garbage collection, connection pooling, caching strategies, async processing, startup optimization, and monitoring — with before/after benchmarks and correct configuration examples.
A practical guide to compiling Spring Boot applications into GraalVM native images. Covers setup, AOT compilation, handling reflection, testing native builds, and real-world trade-offs for cloud-native and serverless deployments.
A hands-on guide to building a Retrieval Augmented Generation application using Spring AI, OpenAI, and PGVector. Covers document ingestion, vector similarity search, the QuestionAnswerAdvisor, and a production-style REST API — with complete working code.
A multi-chapter guide to mastering Spring Boot fundamentals. Covers project setup, dependency injection, REST APIs, data access with JPA, exception handling, configuration, security basics, and testing — all with working code examples.
Understand the difference between Service Mesh and Helm chart deployments in OpenShift. Simple analogies, real examples, and clear guidance on when to use each in your OCP environment.
Complete guide to setting up a developer blog using Jekyll Chirpy theme on GitHub Pages. Covers SEO optimization, Google Analytics, GoatCounter pageviews, Giscus comments, sitemap configuration, and deployment — with code snippets and config examples.
Learn Java Collections with Lambda expressions and Streams API. Practical before/after code examples for filtering, sorting, grouping, mapping, and reducing. Complete cheat sheet for Java developers.