Modern Event-Driven Spring Boot: Apache Kafka & Spring Cloud Stream

This repoistory contains the source code for my course on Udemy.

Course Highlights:

Kafka Fundamentals

• Producers and Consumers
• Topics, Partitions, Offsets
• Consumer Groups and Rebalancing
• Message Ordering and Keys
• CLI examples and configurations

Spring Cloud Stream Applications

• Consumer, Producer, and Processor services
• Reactive and imperative implementations
• Event routing patterns
• Dynamic message production (StreamBridge)

Advanced Kafka Patterns

• Scaling with consumer groups
• Parallel and batch processing
• Message acknowledgement strategies
• Error handling, retries, DLQ
• Transactions and exactly-once concepts

Testing & Security

• Integration testing with TestBinder and Testcontainers
• Serialization testing scenarios
• Kafka security using SASL / SSL

Final Project — Netflux

A production-style event-driven microservices system demonstrating real-time communication using Kafka.