Docker Quick Start Guide

docker swarm join

You have already seen the join command used in the preceding docker swarm join-token section. The join command is used, in conjunction with a cryptographic join token, to add a Docker node to the swarm. All nodes except the very first node will use the join command to become part of the swarm (the first node uses the "init" command, of course). The join command has a few parameters, the most important of them being the --token parameter. This is the required join token, obtainable with the join-token command. Here is an example:

# Join this node to an existing swarmdocker swarm join --token SWMTKN-1-3ovu7fbnqfqlw66csvvfw5xgljl26mdv0dudcdssjdcltk2sen-a830tv7e8bajxu1k5dc0045zn 192.168.159.156:2377

You will notice that the ...