fix for loki docker plugin

loki-docker-logs.sh

@@ -13,6 +13,10 @@ cat << EOF > /etc/docker/daemon.json
     "log-opts": {
         "loki-url": "https://int.loki.grid.tf/loki/api/v1/push",
         "loki-batch-size": "400"
+        "loki-retries": "2",
+        "loki-max-backoff": "800ms",
+        "loki-timeout": "1s",
+        "keep-file": "true"
     }
 }
 EOF