2023
https://habr.com/ru/post/712628/
2022
https://www.baeldung.com/spring-cloud-config-without-git
https://www.baeldung.com/spring-cloud-configuration
https://habr.com/ru/company/otus/blog/682594/
https://habr.com/ru/company/otus/blog/681214/
2021
https://slacker.ro/2020/09/11/spring-cloud-config-refresh-strategies/
    https://habr.com/ru/company/otus/blog/590761/
2018
https://dzone.com/articles/validating-external-data-with-an-oracle