Added rpm build tools

Author: joegen

docker/Dockerfile

@@ -7,6 +7,6 @@ MAINTAINER Joegen Baclor <[email protected]>
 
 RUN yum -y update; yum -y install epel-release; yum clean all; yum -y --disablerepo=epel update  ca-certificates
 RUN sed -i "s/#baseurl/baseurl/" /etc/yum.repos.d/epel.repo; sed -i "s/mirrorlist/#mirrorlist/" /etc/yum.repos.d/epel.repo
-RUN yum -y install automake libtool gcc-c++ git tar openssl-devel libmcrypt-devel libtool-ltdl-devel pcre-devel findutils db4-devel iptables iproute boost-devel v8-devel libsrtp-devel libpcap-devel libdnet-devel xmlrpc-c-devel libevent-devel poco-devel libconfig-devel hiredis-devel gtest-devel leveldb-devel; yum clean all
+RUN yum -y install automake libtool gcc-c++ git tar rpm-build createrepo openssl-devel libmcrypt-devel libtool-ltdl-devel pcre-devel findutils db4-devel iptables iproute boost-devel v8-devel libsrtp-devel libpcap-devel libdnet-devel xmlrpc-c-devel libevent-devel poco-devel libconfig-devel hiredis-devel gtest-devel leveldb-devel; yum clean all