Demonstration Project

Table of Contents

• Builds
  • Greetings UI
  • Greetings Service
  • Stat Service
• Architecture overview
• List of patterns / concepts /technics demonstrated
• TODOs

Builds

Greetings UI

Greetings Service

Stat Service

Architecture overview

Figure 1. architecture overview

List of patterns / concepts /technics demonstrated

• Hexagonal Architecture

• Multimodules Spring Boot Project

• REST API with Spring MVC (greeting service) and Spring Web Reactive (stat service)

• Kafka Consumer (stat service) / producer (greeting service)

• Reactive implementation (stat service)

• Test : Unit tests with Mockito and AssertJ

• Test : Integration tests with Spring Slice Tests Annotations

• Test : Integration tests with @EmbeddedKafka

• Test : Integration tests with Wiremock and Spring Cloud Contract Stub Runner

• Test : CDC tests with Pact

• Test : BDD tests with Cucumber and JUnit 5

TODOs

• ❏ Implement Error Handling in API to customize responses

• ❏ Implement Outbox pattern for greeting-producer

• ❏ Create a UI to interact with APIs

  • ❏ Create an SSE endpoint to send events to UI