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## config-props.md

      
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              November 2, 2017 10:25
            
              
                Notes on Dynamic Configuration Properties
              
          
    Dynamic Configuration Properties in Spring Boot and Spring Cloud

TL;DR


Use @ConfigurationProperties and always get state from the bean.
The Environment can change at runtime and Spring Cloud does this for you using RefreshEvent.
Changes are propagated to beans in Spring Cloud in 2 ways (@ConfigurationProperties and @RefreshScope).
If you care about the state of @ConfigurationProperties being consistent on concurrent access, put it or the consumer @Bean in @RefreshScope.

Typical Scenarios