Add option to have multiple containers

README.md

@@ -477,6 +477,7 @@ Chart configuration is as follows:
 | `extraVolumeMounts` | `[]` | Append any extra volume mounts to the postfix container |
 | `extraInitContainers` | `[]` | Execute any extra init containers on startup |
 | `extraEnv` | `[]` | Add any extra environment variables to the container |
+| `extraContainers` | `[]` | Add extra containers |
 | `deployment.labels` | `{}` | Additional labels for the statefulset |
 | `deployment.annotations` | `{}` | Additional annotations for the statefulset |
 | `pod.securityContext` | `{}` | Pods's [security context](https://kubernetes.io/docs/tasks/configure-pod-container/security-context/) |

helm/mail/templates/statefulset.yaml

@@ -91,6 +91,9 @@ spec:
             {{- end }}
             {{- if .Values.extraVolumeMounts }}{{- toYaml .Values.extraVolumeMounts | nindent 12 }}{{ end }}
           resources: {{ toYaml .Values.resources | nindent 12 }}
+        {{- if .Values.extraContainers }}
+{{ tpl .Values.extraContainers . | indent 8 }}
+        {{- end }}
       volumes:
         # Socket directories
         - name: public

helm/mail/values.yaml

@@ -49,6 +49,7 @@ extraVolumes: []
 extraVolumeMounts: []
 extraInitContainers: []
 extraEnv: []
+extraContainers: []
 
 deployment:
   labels: {}