<source>
  type tail
  format nginx
  path /var/log/nginx/*.access.log
  pos_file /var/lib/google-fluentd/pos/nginx-access.pos
  read_from_head true
  tag skia-nginx-.*
</source>

<source>
  type tail
  format nginx
  path /var/log/nginx/*.error.log
  pos_file /var/lib/google-fluentd/pos/nginx-error.pos
  read_from_head true
  tag skia-nginx-.*
</source>