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spring-boot-4

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This is an example application to show howto use Spring Boot 4, Angular 20, Kafka with Streams and Mongodb with the reactive features of Spring in a clean architecture and a Helm chart for the Kubernetes setup. Structurizr is used for C4 diagrams. Standalone Components are used with Angular.

  • Updated Nov 22, 2025
  • Java

This project shows howto use Angular 20 and Spring Boot 4 and Jpa with a Maven build in clean architecture. For development/production the H2/Postgresql databases are used. The databases are managed with Liquibase. Structurizr is used for the diagrams. Standalone Components are used with Angular.

  • Updated Nov 21, 2025
  • Java

A project to show howto use SpringAI with OpenAI to chat with the documents in a library. Documents are stored in a normal/vector database. The AI is used to create embeddings from documents that are stored in the vector database. The vector database is used to query for the nearest document. That document is used by the AI to generate the answer.

  • Updated Nov 22, 2025
  • Java

This project shows howto use Angular 20 and Bing Maps and Spring Boot 4 and Jpa with a Gradle build in clean architecture. For the communication between the frontend and the backend GraphQl is used. For development/production the H2/Postgresql databases are used. The databases are managed with Liquibase. Angular Standalone Components are used.

  • Updated Nov 22, 2025
  • Java
Microservices

Screaming Architecture, Clean Architecture, Event-Driven Architecture, Clean Code, Domain-Driven Design, SOLID Principles, Test Pyramid, Patterns (Ambassador, Circuit Breaker, Mediator, Outbox, Result, Retry, Strategy), Java, Spring Boot, Kong, Keycloak, Kafka, MongoDB, Redis, Elastic, Kibana, Swagger, Testcontainers, Docker

  • Updated Nov 21, 2025
  • Java

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