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, 22 May 2026 00:00:00 GMT https://code-mill-hub.com/blog/spring-boot/2026-05-22-211621-post/ Mastering Distributed Transactions: The Transactional Outbox Pattern with Spring Boot, JPA, and Apache Kafka https://code-mill-hub.com/blog/spring-boot/2026-05-22-211621-post/ This post provides a deep dive into the Transactional Outbox Pattern, an indispensable architectural solution for ensuring atomicity and data consistency when updating a database and publishing events in distributed Spring Boot applications using JPA and Apache Kafka. Fri, 22 May 2026 00:00:00 GMT shflzp12@gmail.com (Maria) KafkaDistributed SystemsMicroservicesTransactional OutboxSpring BootJPABackend Architecture https://code-mill-hub.com/blog/spring-boot/2026-06-14-mastering-resilient-event-processing-advanced-kafka-patterns-spring-boot/ [The Definitive Guide] Mastering Resilient Event Processing: Advanced Kafka Patterns for Fault-Tolerant Spring Boot Microservices https://code-mill-hub.com/blog/spring-boot/2026-06-14-mastering-resilient-event-processing-advanced-kafka-patterns-spring-boot/ Dive deep into building truly fault-tolerant, highly available event-driven microservices by mastering advanced Apache Kafka patterns like transactional producers/consumers, dead-letter queues, and robust retry mechanisms with Spring Boot 4.0 and Java 25. Sun, 14 Jun 2026 00:00:00 GMT shflzp12@gmail.com (Maria) KafkaSpring BootEvent-Driven ArchitectureMicroservicesResilienceFault ToleranceJava 25Distributed SystemsApache KafkaSpring Boot 4.0 https://code-mill-hub.com/blog/spring-boot/2026-06-17-database-sharding-scalable-microservices-spring-boot-jpa-postgresql/ [2026 Deep Dive] Mastering Database Sharding: Scaling Spring Boot Microservices with JPA and PostgreSQL https://code-mill-hub.com/blog/spring-boot/2026-06-17-database-sharding-scalable-microservices-spring-boot-jpa-postgresql/ Learn how to implement robust database sharding strategies in Spring Boot microservices, leveraging JPA and PostgreSQL to overcome scalability bottlenecks, manage high-volume data, and build truly resilient distributed systems. Wed, 17 Jun 2026 00:00:00 GMT shflzp12@gmail.com (Maria) Database ShardingData PartitioningSpring BootJPAPostgreSQLMicroservicesScalabilityBackend ArchitectureDistributed SystemsJava 25