echo "__dns_ip_addr__" > /opt/config/dns_ip_addr.txt
echo "__docker_version__" > /opt/config/docker_version.txt
echo "__gerrit_branch__" > /opt/config/gerrit_branch.txt
echo "__dns_ip_addr__" > /opt/config/dns_ip_addr.txt
echo "__docker_version__" > /opt/config/docker_version.txt
echo "__gerrit_branch__" > /opt/config/gerrit_branch.txt