A

apache-kafka

Kotlin/Java 21 trading wallet on Spring Boot (Web MVC, Security JWT, Data JPA/Hibernate, Bean Validation). Reserves funds under a row lock, rejects stale order edits, and publishes order events through a transactional outbox. Duplicate retries stay idempotent. PostgreSQL, Flyway, Redis, Kafka. Tests: JUnit 5, MockK, Google Truth, Testcontainers.

Bu proje, bir telefon rehberi sistemini mikroservisler mimarisi ile geliştirmek amacıyla .NET Core kullanılarak hazırlanmıştır.(This project was prepared using .NET Core to develop a phone book system with microservices architecture.)