Inventory file
my_local ansible_connection=local
[servers:children]
appservers
webservers
[appservers] ; group
146.185.156.228:1234 ; ip:port
server.com ; host
[webservers]
webserver.com
; custom host definition
host_name ansible_host=123.456.789.123 ansible_port=1234 ansible_user=user_name