X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=docker%2FDockerfile;h=fa78819c73035ab290cfb1d461996c8f84545cdb;hb=e5a5e337b8e0b03d69f7da4cf9299b4814e1c7ad;hp=48e254fc6b54516fe8538e754fb9f9e45fe8bb08;hpb=74c631c6dae08d463f0d4c3953a1addcb187d090;p=escalator.git

diff --git a/docker/Dockerfile b/docker/Dockerfile
index 48e254f..fa78819 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,5 +1,7 @@
 FROM centos:7
 LABEL escalator_image_version=1.0
+ARG BRANCH
+ENV BRANCH=${BRANCH:-master}
 RUN yum -y update
 RUN yum -y install centos-release-openstack-newton
 RUN yum -y install \