容器docker安装及应用

二进制安装docker

环境 centos 7

[root@localhost ~]# mkdir /data
[root@localhost ~]# wget -P /data/ https://download.docker.com/linux/static/stable/x86_64/docker-18.03.1-ce.tgz

[root@localhost ~]# cd /data/
[root@localhost data]# tar -xvf docker-18.03.1-ce.tgz
[root@localhost data]# cp docker/* /usr/bin/   注意文件所属组

配置启动脚本:
[root@localhost ~]# vim /usr/lib/systemd/system/docker.service
[Unit]
Description=Docker Application Container Engine
Documentation=https://docs.docker.com
After=network-online.target firewalld.service
Wants=network-online.target
[Service]
Type=notify
ExecStart=/usr/bin/dockerd
ExecReload=/bin/kill -s HUP $MAINPID
LimitNOFILE=infinity
LimitNPROC=infinity
TimeoutStartSec=0
Delegate=yes
KillMode=process
Restart=on-failure
StartLimitBurst=3
StartLimitInterval=60s
[Install]
WantedBy=multi-user.target

启动服务进程
[root@local