A comprehensive Domain-Driven Design example with problem space strategic analysis and various tactical patterns.

Example code for the book Microservice patterns

An example approach for implementing a Clean/Hexagonal Architecture

Sidekick is no longer in service

Sample application demonstrating an order fulfillment system decomposed into multiple independant components (e.g. microservices). Showing concrete implementation alternatives using e.g. Java, Spri…

Hexagonal Architecture Demo Project about Ticketing and Payment

A scalable, event-driven and event-sourced Java EE application

SpringBoot Examples

multithreaded test tool to test mongodb performances, such as throughput and latency

An elasticsearch plugin to create hierarchical aggregations

An example system using gRPC, Spring Boot, Redis Pub/Sub, TimescaleDB

Extensible general purpose expression evaluator