Do we need to be able to run Caddy from a checkout directly?

[QuLogic]

Initially, I wrote the Caddyfile to be able to be run locally. With the Ansible config added, we have a couple redundancies defining, e.g., the list of subrepos to clone and serve. We can remove that redundancy by making the Caddyfile a template, but then it can't be run directly.

I recently came across ansible-bender, so I think we could maybe point local testing there (it takes an Ansible config and applies it to a container instead of your configured hosts.)

[tacaswell]

I would prefer to switch to the template and then sort out how to run against a local target.