Downgrade from Docker 18 to Docker 1.12

sudo yum remove docker docker-client docker-client-latest docker-common docker-latest docker-latest-logrotate docker-logrotate docker-selinux docker-engine-selinux docker-engine
yum list installed | grep docker

THIS IS NOT WORKING (it installs Docker 18 !!!)

sudo yum -y update
sudo yum -y install yum-utils
sudo yum-config-manager --add-repo https://yum.dockerproject.org/repo/main/centos/7
sudo yum -y update
# yum search --showduplicates docker-engine
sudo yum -y --nogpgcheck install docker-engine-1.12.6-1.el7.centos.x86_64
sudo systemctl enable docker
sudo systemctl start docker
yum list installed | grep docker
docker version



THIS IS WORKING
sudo yum remove docker docker-client docker-client-latest docker-common docker-latest docker-latest-logrotate docker-logrotate docker-selinux docker-engine-selinux docker-engine
yum list installed | grep docker
sudo yum install -y libtool-ltdl libseccomp
mkdir docker
cd docker
wget https://yum.dockerproject.org/repo/main/centos/7/Packages/docker-engine-1.12.6-1.el7.centos.x86_64.rpm https://yum.dockerproject.org/repo/main/centos/7/Packages/docker-engine-selinux-1.12.6-1.el7.centos.noarch.rpm
wget https://yum.dockerproject.org/repo/main/centos/7/Packages/docker-engine-1.12.6-1.el7.centos.x86_64.rpm \
sudo rpm -ivh docker-engine-1.12.6-1.el7.centos.x86_64.rpm docker-engine-selinux-1.12.6-1.el7.centos.noarch.rpm
yum list installed | grep docker
sudo systemctl start docker
sudo systemctl enable docker
docker version