Docker-swarm create

change host file

/etc/hosts

10.50.66.21 node01
10.50.66.22 node02 
10.50.66.23 node03

create swarm

node01

swarm init

node01

• docker swarm init --advertise-addr 10.50.66.21

node02

• docker swarm join --token XXXXXXXXXX 10.50.66.21:2377

node01

• docker node promote node02

node03

• docker swarm join --token XXXXXXXXXX