installer: create namespaces with kube client
diff --git a/core/installer/values-tmpl/certificate-issuer-private.yaml b/core/installer/values-tmpl/certificate-issuer-private.yaml
index a9cc706..09209d0 100644
--- a/core/installer/values-tmpl/certificate-issuer-private.yaml
+++ b/core/installer/values-tmpl/certificate-issuer-private.yaml
@@ -2,12 +2,11 @@
 kind: HelmRelease
 metadata:
   name: certificate-issuer-private
-  namespace: {{ .Global.Id }}
+  namespace: {{ .Global.Id }}-ingress-private
 spec:
-  targetNamespace: {{ .Global.NamespacePrefix }}ingress-private
   dependsOn:
   - name: ingress-private
-    namespace: {{ .Global.Id }}
+    namespace: {{ .Global.Id }}-ingress-private
   chart:
     spec:
       chart: charts/certificate-issuer-private