fluentd.conf.tmpl

## File input
## read docker logs with tag=docker.container

{{range $key, $value := .}}
<source>
  type tail
  format json
  time_key time
  path /var/lib/docker/containers/{{ $value.ID }}/{{ $value.ID }}-json.log
  pos_file /var/lib/docker/containers/{{ $value.ID }}/{{ $value.ID }}-json.log.pos
  tag docker.container.{{printf "%.*s" 12 $value.ID}}
  rotate_wait 5
</source>
{{end}}

<match docker.**>
  type stdout
</match>