Java EE 8 Design Patterns and Best Practices

Config server

An application, whether in the cloud or not, has properties such as credentials and database location, application-specific information, and URLs for accessing external resources. For a traditional application, these properties are usually in a properties file. If we change a value of one of these properties, we must stop the application and restart the application container. This question becomes more critical when there are different environments, such as production, staging, and development. Each of these environments has their own configurations. In the context of the cloud, microservices may be in different locations or servers. Let's assume that these properties are in the same microservice location. To change a property, ...