VOL-406 add logging configuration to swarm stack files

Change-Id: I6e75649c6f1cef3948437e59c778c562c828badc
diff --git a/compose/docker-compose-fluentd-cluster.yml b/compose/docker-compose-fluentd-cluster.yml
index f8250a2..dead717 100644
--- a/compose/docker-compose-fluentd-cluster.yml
+++ b/compose/docker-compose-fluentd-cluster.yml
@@ -14,6 +14,11 @@
 
   fluentd:
     image: cord/fluentd
+    logging:
+      driver: "json-file"
+      options:
+        max-size: "10m"
+        max-file: 3
     deploy:
       mode: replicated
       replicas: 2