Merge pull request #185657 from zmssp/spring-cloud/eureka-id

Update how-to-config-server.md

Author: PRMerger10

articles/spring-cloud/how-to-config-server.md

@@ -29,6 +29,8 @@ There are some restrictions when you use Config Server with a Git back end. Some
 ```yaml
 eureka.client.service-url.defaultZone
 eureka.client.tls.keystore
+eureka.instance.preferIpAddress
+eureka.instance.instance-id
 server.port
 spring.cloud.config.tls.keystore
 spring.application.name