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bootstrap docker swarm

i like using docker swarm for home labs

assumes you installed docker like this

Initialize Swarm on first docker node (management node)

sudo docker swarm init
it will produced output something like this 
docker swarm join --token <some-very-long-token> 192.168.1.41:2377
make sure you copy and keep this command as you will run it on all your other nodes (the IP address should match the IP of this management node, if it doesn't you need to troubleshoot networking).

Initialize worker nodes

On each worker node run the command from the last step

sudo docker swarm join --token <some-very-long-token> 192.168.1.41:2377
the IP is the IP of the management node and doesn't need to be changed as you run this on each node.

thats it you should now have a fully functioning swarm