diff --git a/cluster/images/etcd/Dockerfile b/cluster/images/etcd/Dockerfile
index 8dd7e36bad7..e4fd3054afb 100644
--- a/cluster/images/etcd/Dockerfile
+++ b/cluster/images/etcd/Dockerfile
@@ -15,5 +15,5 @@
 FROM BASEIMAGE
 MAINTAINER Dawn Chen <dawnchen@google.com>
 
-COPY etcd /usr/local/bin/
-COPY etcdctl /usr/local/bin/
+EXPOSE 2379 2380 4001 7001
+COPY etcd etcdctl /usr/local/bin/