Fix: Leading slash in fluentd graylog exporte logs

Author: mrnicegyu11

services/logging/fluentd/fluent.conf

@@ -39,6 +39,8 @@
     hostname "#{Socket.gethostname}"
     fluentd_hostname "#{ENV['FLUENTD_HOSTNAME']}"
     tag ${tag}
+    container_name ${record["container_name"] && record["container_name"].start_with?("/") ? record["container_name"][1..-1] : record["container_name"]}
+    log_service ${record["log_service"] && record["log_service"].start_with?("/") ? record["log_service"][1..-1] : record["log_service"]}
   </record>
 </filter>