hosts.ini

[docker-manager-first]
manager1 ansible_host="{{manager1->ip}}"

[docker-managers]
manager2 ansible_host="{{manager2->ip}}"
manager3 ansible_host="{{manager3->ip}}"

[docker-workers]
worker1 ansible_host="{{worker1->ip}}"
worker2 ansible_host="{{worker2->ip}}"


[docker-api]
manager1
manager2
manager3

[docker-cloud]
manager1
manager2
manager3