diff --git a/kubernetes/51_statefulset_elasticsearch.yaml b/kubernetes/51_statefulset_elasticsearch.yaml
index 46f65db..d6e5f4b 100644
--- a/kubernetes/51_statefulset_elasticsearch.yaml
+++ b/kubernetes/51_statefulset_elasticsearch.yaml
@@ -20,6 +20,12 @@ spec:
       - name: zammad-elasticsearch
         persistentVolumeClaim:
           claimName: zammad-elasticsearch
+      initContainers:
+      - name: sysctl
+        image: busybox
+        command: ["sysctl", "-w", "vm.max_map_count=262144"]
+        securityContext:
+          privileged: true                
       containers:
       - name: zammad-elasticsearch
         image: zammad/zammad-docker-compose:zammad-elasticsearch
@@ -29,4 +35,4 @@ spec:
         imagePullPolicy: Always
         volumeMounts:
         - mountPath: /usr/share/elasticsearch/data
-          name: zammad-elasticsearch
\ No newline at end of file
+          name: zammad-elasticsearch
diff --git a/kubernetes/Readme.md b/kubernetes/Readme.md
index 9d24b83..97697b6 100644
--- a/kubernetes/Readme.md
+++ b/kubernetes/Readme.md
@@ -17,9 +17,6 @@
 * minikube start --memory=4096 --cpus=2
 * minikube addons enable ingress
 * echo "$(minikube ip) zammad.example.com" | sudo tee -a /etc/hosts
-* minikube ssh
-  * su -
-  * sysctl -w vm.max_map_count=262144
 * kubectl apply -f .
 * minikube dashboard
   * switch to namespace "zammad"