This git repo contains the template files for the Spring Boot code generator at Wupiter.
You can try the code generator here: https://wupiter.com/accelerators/spring-boot-accelerator-mN7j7w0zkouomzklFPcY/generate.
To create your own Wupiter accelerator (fancy name for code generator), see documentation here: https://github.com/wupiter/hello-world-sample.