systemctl list-unit-files | grep docker

显示为enabled时,代表已经开启了开机自启动
显示为disabled时,代表未开启开机自启动
systemctl enable docker.service
systemctl disable docker.service
docker update --restart=always <容器名称>
docker run --restart=always
使用restart: always配置
version: '3'
services:
app:
restart: always
image: app-server:V1.0.0