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In Part 1, we added metrics with Spring Boot Actuator, Prometheus, and Grafana. In Part 2, we centralized structured application logs using Filebeat, Logstash, Elasticsearch, and Kibana. In this final…
In the first part of this workshop, we added metrics to our Employee Management API using Spring Boot Actuator, Micrometer, Prometheus, and Grafana. Metrics answer questions such as: How many…
Production applications should not be treated as black boxes. When an API slows down, fails, or consumes too much memory, teams need answers quickly: Is the application healthy? Which API…
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Introduction Congratulations! If you've followed this series from the beginning, you've travelled through one of the most remarkable evolutions in programming language history. This wasn't simply a journey from one…
Introduction If Java 8 gave us Streams and CompletableFuture, then Java 21 gives us something even more fundamental: A completely new way of thinking about concurrency. For over twenty years,…
Introduction Most enterprise developers spend their days writing: Spring Boot REST APIs Database queries Kafka consumers REST clients Business validations Authentication Authorization Very little of this work is CPU intensive.…
Introduction If you've spent your career developing Spring Boot microservices, you may never have written a single line of C or C++. Yet every day your Java applications depend on…
Introduction The Java Collections Framework has been one of Java's greatest strengths since Java 1.2. Enterprise developers use collections everywhere: REST APIs Spring Boot applications Database queries Cache implementations Message…
Introduction If you've followed this series from Java 8 to Java 17, you may have noticed something unusual. After Java 17, we suddenly started discussing Java 21. Naturally, many developers…