下载包：
mkdir -p /opt/nginx
yum install --downloadonly --downloaddir=/opt/nginx docker-ce
yum install --downloadonly --downloaddir=/opt/nginx yum-utils device-mapper-persistent-data lvm2
yum reinstall --downloadonly --downloaddir=/opt/nginx docker-ce
yum reinstall --downloadonly --downloaddir=/opt/nginx yum-utils device-mapper-persistent-data lvm2
cd /opt/nginx
repotrack docker-ce-26.1.3-1.el8.x86_64.rpm
生成仓库
yum install -y modulemd-tools
cd /opt/nginx
createrepo_c .
repo2module -s stable ./ modules.yaml
createrepo .
modifyrepo_c --mdtype=modules modules.yaml repodata/
配置仓库
[lz]
name=rocky-$releasever - lz
baseurl=file:///opt/nginx/
gpgcheck=0
enabled=1
安装
yum install docker-ce -y
