@EnableConfigServer

2022
https://www.baeldung.com/spring-cloud-configuration
    /{application}/{profile}[/{label}]
    /{application}-{profile}.yml
    /{label}/{application}-{profile}.yml
    /{application}-{profile}.properties
    /{label}/{application}-{profile}.properties

https://github.com/MarioAriasC/config-service/blob/main/src/main/kotlin/com/polarshop/configservice/ConfigServiceApplication.kt