diff --git a/Dockerfile b/Dockerfile
index bb51173a1a5dfbeb996b8ebc05e7f7af278a01d0..ea5b21ca6eb9e0ae1158def8526bbb66feb34e9c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,3 +1,4 @@
 FROM centos:7
 ADD phantomjs /usr/etc/
-CMD ["yum install fontconfig -y","yum install bitmap-fonts bitmap-fonts-cjk -y","chmod 777 /usr/etc/bin/phantomjs"]  
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+
+RUN yum install -y fontconfig  yum -y install bitmap-fonts bitmap-fonts-cjk chmod 777 /usr/etc/bin/phantomjs
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