New review comment by ericonr on void-packages repository

https://github.com/void-linux/void-packages/pull/29128#discussion_r613529872

Comment:
Maybe 

```suggestion
exec chpst -u caddy caddy run --environ --config ${CONFFILE:-/etc/caddy/Caddyfile}
```

How does `caddy` behave if you don't give it a config file? Maybe we shouldn't start requiring one...