add keyword for contianer.name filbeat mapping

filebeat-docker.yml

@@ -32,6 +32,12 @@ setup:
     settings:
       index.number_of_shards: 1
       index.number_of_replicas: 0
+    append_fields:
+      - name: container.name
+        type: keyword
+      - name: kubernetes.container.name
+        type: keyword
+
   dashboards:
     enabled: false
     #index: "filebeat-%{[agent.version]}-*"

filebeat-kubernetes.yml

@@ -42,6 +42,12 @@ setup:
     settings:
       index.number_of_shards: 1
       index.number_of_replicas: 0
+    append_fields:
+      - name: container.name
+        type: keyword
+      - name: kubernetes.container.name
+        type: keyword
+
   dashboards:
     enabled: false
     #index: "filebeat-%{[agent.version]}-*"