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				@@ -3,7 +3,7 @@ COPY nginx.repo /etc/yum.repos.d/nginx.repo 
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				 COPY generate.sh /tmp 
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				 RUN yum install -y epel-release \ 
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				-    && yum install -y yum-utils python2-certbot-nginx openssl ca-certificates nginx \ 
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				+    && yum install -y yum-utils python2-certbot-nginx openssl ca-certificates mailx nginx \ 
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				     && yum install -y https://centos7.iuscommunity.org/ius-release.rpm \ 
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				     && yum install -y git2u \ 
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				     && yum clean all \ 
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