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+## docker
+docker安装包
+    http://mirrors.aliyun.com/docker-ce/linux/static/stable/x86_64/
+
+tar -xzf /home/docker-20.10.19.tgz
+sudo mv docker/* /usr/bin/
+
+
+/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
+
+chmod +x /usr/lib/systemd/system/docker.service
+systemctl daemon-reload
+
+systemctl enable docker
+systemctl restart docker
+
+## docker-compose
+https://github.com/docker/compose/releases
+
+chmod +x docker-compose
+mv docker-compose /usr/local/bin/
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