1、podman与docker类似
在centos8上podman是默认的
yum install podman -y
2、镜像加速器配置
cd /etc/containers/
mv registries.conf registries.conf_bak
cat registries.conf
unqualified-search-registries = ["docker.io"]
[[registry]]
prefix = "docker.io"
location = "阿里加速地址或是其他加速地址" (不用加https:// 直接加地址)