change default value of filebeat.extraContainers

Author: cgroschupp

filebeat/README.md

@@ -130,8 +130,8 @@ as a reference. They are also used in the automated testing of this chart.
 | `deployment.securityContext`   | Configurable [securityContext][] for filebeat Deployment pod execution environment                                                                                           | see [values.yaml][]                |
 | `deployment.tolerations`       | Configurable [tolerations][] for filebeat Deployment                                                                                                                         | `[]`                               |
 | `replicas`                     | The replica count for the Filebeat deployment                                                                                                                                | `1`                                |
-| `extraContainers`              | Templatable string of additional containers to be passed to the `tpl` function                                                                                               | `""`                               |
-| `extraInitContainers`          | Templatable string of additional containers to be passed to the `tpl` function                                                                                               | `""`                               |
+| `extraContainers`              | Templatable string of additional containers to be passed to the `tpl` function                                                                                               | `[]`                               |
+| `extraInitContainers`          | Templatable string of additional containers to be passed to the `tpl` function                                                                                               | `[]`                               |
 | `fullnameOverride`             | Overrides the full name of the resources. If not set the name will default to " `.Release.Name` - `.Values.nameOverride or .Chart.Name` "                                    | `""`                               |
 | `hostPathRoot`                 | Fully-qualified [hostPath][] that will be used to persist filebeat registry data                                                                                             | `/var/lib`                         |
 | `imagePullPolicy`              | The Kubernetes [imagePullPolicy][] value                                                                                                                                     | `IfNotPresent`                     |

filebeat/values.yaml

@@ -156,7 +156,7 @@ deployment:
 # Replicas being used for the filebeat deployment
 replicas: 1
 
-extraContainers: ""
+extraContainers: []
 # - name: dummy-init
 #   image: busybox
 #   command: ['echo', 'hey']