To get started quickly you could use Spring Initializr to bootstrap your client. Add the Config Client to automatically generate a project with the needed dependencies.
Or you could add the dependency manually to an existing Spring Cloud application.
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-config</artifactId>
</dependency>
Once the dependency is on the classpath Spring Cloud will try to connect to a Config Server on localhost
to retrieve the configuration.