@SpringBootApplication
public class ProviderApplication8000 {

    public static void main(String[] args) {
        SpringApplication.run(ProviderApplication8000.class,args);
    }
}

@RestController
@RequestMapping("/provider-8000")
public class IndexController {

    @GetMapping("/index")
    public String index(){
        return "/provider-8000/index";
    }
}

server:
  port: 8000