How Contract Tests Improve the Quality of Your Distributed Systems
Link: https://www.infoq.com/articles/contract-testing-spring-cloud-contract?utm_source=infoq&utm_campaign=user_page&utm_medium=link
Spring Cloud Contract in a Polyglot World
Link: https://spring.io/blog/2018/02/13/spring-cloud-contract-in-a-polyglot-world
Zero Downtime Deployment with a Database
Link: https://spring.io/blog/2016/05/31/zero-downtime-deployment-with-a-database