Config Server

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Config Server is an externalized application configuration service, which gives you a central place to manage an app’s external properties across all environments. As an app moves through the deployment pipeline from development to test and into production, you can use Config Server to manage the configuration between environments and be certain that the app has everything it needs to run when you migrate it. Config Server easily supports labelled versions of environment-specific configurations and is accessible to a wide range of tooling for managing the content.

Config server fig1

The concepts on both client and server map identically to the Spring Environment and PropertySource abstractions. They work very well with Spring apps, but can be applied to apps written in any language. The default implementation of the server storage backend uses Git. HashiCorp Vault is also supported.

Config Server is based on Spring Cloud Config Server. For more information about Spring Cloud Config and about Spring configuration, see Additional Resources.

Refer to the “Cook” sample app to follow along with code in this section.