Solution:
1. Enter /etc/yum.repos.d
Under the directory, delete all repos related to docker
2. Re add mirror
sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
Solution:
1. Enter /etc/yum.repos.d
Under the directory, delete all repos related to docker
2. Re add mirror
sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo