deployments/k3s-INFRA/DEV/fluent-aggr/configmap/fluentd.conf

<source>
  @type forward
  port 24224
  bind 0.0.0.0
</source>

<filter logback.**>
    @type record_transformer
    remove_keys ["caller", "throwable"]
    <record>
      fluentd "#{Socket.gethostname}"
      tag ${tag}
      application ${tag_parts[1]}
      hostname ${tag_suffix[2]}
    </record>
</filter>

<match **>
    @type copy
    //<store>
    //  @type stdout
    //</store>
    <store>
      @type loki
      url "http://192.168.56.137:3100"
      extra_labels {"from":"fluentd-aggr"}
      <label>
        application
        hostname
      </label>
      <buffer>
        flush_thread_count 4
        chunk_limit_size 8M
        queue_limit_length 8
        retry_max_interval 30
        retry_forever false
        flush_interval 15s
        flush_at_shutdown true
      </buffer>
    </store>
</match>