docker

/etc/docker/daemon.json

{
  "registry-mirrors": ["https://docker.mirrors.ustc.edu.cn"]
}

swarm 

在每个节点发布服务—mode global –publish mode=host,target=80,published=8080

 docker service create \
  --mode global \
  --publish mode=host,target=80,published=8080 \
  --name=nginx \
  nginx:latest