Comment 3 for bug 1587185

I would prefer forcing services to use stdout and disable useless file-based logging.

Then it's possible to collect logs from containers for example this way:
https://hekad.readthedocs.io/en/v0.10.0/config/inputs/docker_log.html

Anyway there's no need to have volume on /var/log and file-based logs when it's correctly dockerized.