OpenStack: Horizon

Configure start page
# /etc/kolla/horizon/custom_local_settings
# /etc/kolla/config/dev/horizon/custom_local_settings (kolla-ansible override)
HORIZON_CONFIG["user_home"] = "/project"

Links
https://docs.openstack.org/horizon/latest/contributor/ref/horizon.html
https://docs.openstack.org/mitaka/config-reference/dashboard/config-options.html