安装Docker软件

安装 Docker 软件

yum install -y yum-utils device-mapper-persistent-data lvm2
yum-config-manager \  --add-repo \  http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo yum install -y docker-ce
## 创建 /etc/docker 目录mkdir /etc/docker
# 配置 daemon.cat > /etc/docker/daemon.json <<EOF{  "exec-opts": ["native.cgroupdriver=systemd"],  "log-driver": "json-file",  "log-opts": {    "max-size": "100m"  },  "insecure-registries": ["harbor.hongfu.com"]}EOFmkdir -p /etc/systemd/system/docker.service.d
# 重启docker服务systemctl daemon-reload && systemctl restart docker && systemctl enable docker