diff --git a/chart/Chart.yaml b/chart/Chart.yaml
index 864f677..61e075d 100644
--- a/chart/Chart.yaml
+++ b/chart/Chart.yaml
@@ -1,3 +1,3 @@
 apiVersion: v2
 name: kubooboo-chart
-version: 0.3.0
\ No newline at end of file
+version: 0.3.1
\ No newline at end of file
diff --git a/chart/templates/backend/deployment.yaml b/chart/templates/backend/deployment.yaml
index dcaee96..2137789 100644
--- a/chart/templates/backend/deployment.yaml
+++ b/chart/templates/backend/deployment.yaml
@@ -17,10 +17,10 @@ spec:
       volumes:
         - name: jwt
           secret:
-            secretName: {{ .Values.backend.jwt.secretName }}
+            secretName: {{ .Values.backend.jwt.secretName | required }}
         - name: kubeconfig
           secret:
-            secretName: {{ .Values.backend.kubeconfig.secretName }}
+            secretName: {{ .Values.backend.kubeconfig.secretName | required }}
       containers:
         - name: backend-pod
           image: harbor.dinauer.dev/kubooboo/backend:41
diff --git a/chart/templates/database/cluster.yaml b/chart/templates/database/cluster.yaml
deleted file mode 100644
index 85569fa..0000000
--- a/chart/templates/database/cluster.yaml
+++ /dev/null
@@ -1,23 +0,0 @@
-apiVersion: postgresql.cnpg.io/v1
-kind: Cluster
-metadata:
-  name: postgres
-spec:
-  instances: 1
-  storage:
-    storageClass: hcloud-volumes
-    size: 1Gi
-  resources:
-    requests:
-      memory: "256Mi"
-      cpu: "100m"
-    limits:
-      memory: "512Mi"
-      cpu: "500m"
-  managed:
-    roles:
-    - name: kubooboo
-      ensure: present
-      login: true
-      passwordSecret:
-        name: {{ .Values.database.password.secretName }}
\ No newline at end of file
diff --git a/chart/templates/database/database.yaml b/chart/templates/database/database.yaml
deleted file mode 100644
index 7f5587f..0000000
--- a/chart/templates/database/database.yaml
+++ /dev/null
@@ -1,9 +0,0 @@
-apiVersion: postgresql.cnpg.io/v1
-kind: Database
-metadata:
-  name: kubooboo
-spec:
-  name: kubooboo
-  owner: kubooboo
-  cluster:
-    name: postgres
\ No newline at end of file
diff --git a/chart/templates/frontend/deployment.yaml b/chart/templates/frontend/deployment.yaml
index b042faa..0d53e5e 100644
--- a/chart/templates/frontend/deployment.yaml
+++ b/chart/templates/frontend/deployment.yaml
@@ -31,4 +31,4 @@ spec:
             - name: NUXT_PUBLIC_API_WS_SCHEMA
               value: {{ .Values.url.wsSchema }}
             - name: NUXT_PUBLIC_API_HOST
-              value: {{ .Values.url.host }}
\ No newline at end of file
+              value: {{ .Values.url.host | required }}
\ No newline at end of file
diff --git a/chart/templates/ingress.yaml b/chart/templates/ingress.yaml
index 282ba2a..550829a 100644
--- a/chart/templates/ingress.yaml
+++ b/chart/templates/ingress.yaml
@@ -7,7 +7,7 @@ spec:
   tls:
   - hosts:
       - kubooboo.dinauer.dev
-    secretName: {{ .Values.ingress.tls.secretName }}
+    secretName: {{ .Values.ingress.tls.secretName | required }}
   rules:
   - host: kubooboo.dinauer.dev
     http: