diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml
index 61aa510..2d1a964 100644
--- a/src/main/resources/application.yml
+++ b/src/main/resources/application.yml
@@ -2,7 +2,7 @@ application:
   name: ec-config-server
 
 server:
-  port: 8888
+  port: ${CONFIG_SERVER_PORT:8888}
 
 management:
   endpoints: