at Trellis: Local Development | Roots Documentation sample project link, must be
https://github.com/roots/roots-example-project.com/blob/master/trellis/group_vars/development/wordpress_sites.yml
instead
https://github.com/roots/roots-example-project.com/blob/master/ansible/group_vars/development/wordpress_sites.yml
(to change ansible
for trellis
in path)