Docker-ce --- 安装部署

# 安装docker
yum install -y yum-utils device-mapper-persistent-data lvm2 bash-completion
yum-config-manager \
--add-repo \
https://download.docker.com/linux/centos/docker-ce.repo

yum makecache fast
yum install -y docker-ce

# 编辑systemctl的Docker启动文件和配置文件
sed -i "13i ExecStartPost=/usr/sbin/iptables -P FORWARD ACCEPT" /usr/lib/systemd/system/docker.service

mkdir -p /etc/docker
cat > /etc/docker/daemon.json <<EOF
{
"exec-opts": ["native.cgroupdriver=systemd"],
"log-driver": "json-file",
"graph": "/data/docker-root",
"log-opts": {
"max-size": "100m"
},
"storage-driver": "overlay2"
}
EOF

##graph参数为docker的root目录，尽量不要放在系统盘

# 启动docker
systemctl daemon-reload
systemctl enable docker
systemctl start docker