Code Mill Hub | Backend Engineering https://code-mill-hub.com/blog/ Deep dives into Java, Spring Boot, and high-performance backend architecture. en-us shflzp12@gmail.com (Maria) shflzp12@gmail.com (Maria) Fri, 26 Jun 2026 00:00:00 GMT https://code-mill-hub.com/blog/spring-boot/2026-06-26-mastering-microservice-testing-spring-boot-kafka-testcontainers/ [Ultimate Guide] Mastering Microservice Testing: From Unit to End-to-End with Spring Boot 4.0, Kafka, and Testcontainers https://code-mill-hub.com/blog/spring-boot/2026-06-26-mastering-microservice-testing-spring-boot-kafka-testcontainers/ Building robust distributed microservices demands a rigorous testing strategy. This ultimate guide deep-dives into unit, integration, and end-to-end testing, showcasing practical approaches with Spring Boot 4.0, Apache Kafka, and Testcontainers to ensure confidence in your distributed systems. Fri, 26 Jun 2026 00:00:00 GMT shflzp12@gmail.com (Maria) MicroservicesTestingSpring BootKafkaTestcontainersJava 25PostgreSQLBackend Architecture