Dockerize flask/ansible services

[MajesticFalcon]

Is your feature request related to a problem? Please describe.
No

Describe the solution you'd like
Now that we are using docker for netbox, we should try to keep as much functionality independent as we can. In earlier versions, all the services lived on a single OS. Gitlab, Zabbix, Netbox, Ansible, and Flask. Now we have Dockerized all but the flask and ansible services.