# Uninstall installed docker
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

# Set up repository
sudo yum install -y yum-utils device-mapper-persistent-data lvm2

# Use Aliyun Docker
sudo yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo

yum list docker-ce --showduplicates

# Install docker
# on a new system with yum repo defined, forcing older version and ignoring obsoletes introduced by 17.06.0
yum install -y --setopt=obsoletes=0 \
  docker-ce-17.03.2.ce-1.el7.centos.x86_64 \
  docker-ce-selinux-17.03.2.ce-1.el7.centos.noarch

sudo yum install docker-ce-18.03.0.ce

sudo yum install docker-ce

# Start docker service
systemctl enable docker
systemctl start docker