Move from Grafana to a web log viewer that supports Docker

[yukiisbored]

Grafana+Prometheus is pretty overkill for what we need. I think we should just move to a web log viewer that supports docker instead.

[yukiisbored]

https://docs.docker.com/engine/admin/logging/fluentd/

[yukiisbored]

I'm stopping ikari for now to make room for answers.