diff --git a/charts/k8s-gerrit/supplements/test-cluster/deploy.sh b/charts/k8s-gerrit/supplements/test-cluster/deploy.sh
new file mode 100755
index 0000000..d157485
--- /dev/null
+++ b/charts/k8s-gerrit/supplements/test-cluster/deploy.sh
@@ -0,0 +1,19 @@
+#!/bin/bash
+
+SCRIPTPATH=`dirname $(readlink -f $0)`
+
+if test -n "$(grep '#TODO' $SCRIPTPATH/**/*.yaml)"; then
+    echo "Incomplete configuration. Replace '#TODO' comments with valid configuration."
+    exit 1
+fi
+
+kubectl apply -f nfs/resources
+helm upgrade nfs-subdir-external-provisioner \
+    nfs-subdir-external-provisioner/nfs-subdir-external-provisioner \
+    --values nfs/nfs-provisioner.values.yaml \
+    --namespace nfs \
+    --install
+
+kubectl apply -f ldap
+kubectl apply -f ingress
+istioctl install -f "$SCRIPTPATH/../../istio/gerrit.profile.yaml"
diff --git a/charts/k8s-gerrit/supplements/test-cluster/ingress/nginx-ingress-controller.yaml b/charts/k8s-gerrit/supplements/test-cluster/ingress/nginx-ingress-controller.yaml
new file mode 100644
index 0000000..afda778
--- /dev/null
+++ b/charts/k8s-gerrit/supplements/test-cluster/ingress/nginx-ingress-controller.yaml
@@ -0,0 +1,627 @@
+#https://raw.githubusercontent.com/kubernetes/ingress-nginx/controller-v1.2.0/deploy/static/provider/cloud/deploy.yaml
+apiVersion: v1
+kind: Namespace
+metadata:
+  labels:
+    app.kubernetes.io/instance: ingress-nginx
+    app.kubernetes.io/name: ingress-nginx
+  name: ingress-nginx
+---
+apiVersion: v1
+automountServiceAccountToken: true
+kind: ServiceAccount
+metadata:
+  labels:
+    app.kubernetes.io/component: controller
+    app.kubernetes.io/instance: ingress-nginx
+    app.kubernetes.io/name: ingress-nginx
+    app.kubernetes.io/part-of: ingress-nginx
+    app.kubernetes.io/version: 1.2.0
+  name: ingress-nginx
+  namespace: ingress-nginx
+---
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  labels:
+    app.kubernetes.io/component: admission-webhook
+    app.kubernetes.io/instance: ingress-nginx
+    app.kubernetes.io/name: ingress-nginx
+    app.kubernetes.io/part-of: ingress-nginx
+    app.kubernetes.io/version: 1.2.0
+  name: ingress-nginx-admission
+  namespace: ingress-nginx
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: Role
+metadata:
+  labels:
+    app.kubernetes.io/component: controller
+    app.kubernetes.io/instance: ingress-nginx
+    app.kubernetes.io/name: ingress-nginx
+    app.kubernetes.io/part-of: ingress-nginx
+    app.kubernetes.io/version: 1.2.0
+  name: ingress-nginx
+  namespace: ingress-nginx
+rules:
+- apiGroups:
+  - ""
+  resources:
+  - namespaces
+  verbs:
+  - get
+- apiGroups:
+  - ""
+  resources:
+  - configmaps
+  - pods
+  - secrets
+  - endpoints
+  verbs:
+  - get
+  - list
+  - watch
+- apiGroups:
+  - ""
+  resources:
+  - services
+  verbs:
+  - get
+  - list
+  - watch
+- apiGroups:
+  - networking.k8s.io
+  resources:
+  - ingresses
+  verbs:
+  - get
+  - list
+  - watch
+- apiGroups:
+  - networking.k8s.io
+  resources:
+  - ingresses/status
+  verbs:
+  - update
+- apiGroups:
+  - networking.k8s.io
+  resources:
+  - ingressclasses
+  verbs:
+  - get
+  - list
+  - watch
+- apiGroups:
+  - ""
+  resourceNames:
+  - ingress-controller-leader
+  resources:
+  - configmaps
+  verbs:
+  - get
+  - update
+- apiGroups:
+  - ""
+  resources:
+  - configmaps
+  verbs:
+  - create
+- apiGroups:
+  - ""
+  resources:
+  - events
+  verbs:
+  - create
+  - patch
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: Role
+metadata:
+  labels:
+    app.kubernetes.io/component: admission-webhook
+    app.kubernetes.io/instance: ingress-nginx
+    app.kubernetes.io/name: ingress-nginx
+    app.kubernetes.io/part-of: ingress-nginx
+    app.kubernetes.io/version: 1.2.0
+  name: ingress-nginx-admission
+  namespace: ingress-nginx
+rules:
+- apiGroups:
+  - ""
+  resources:
+  - secrets
+  verbs:
+  - get
+  - create
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  labels:
+    app.kubernetes.io/instance: ingress-nginx
+    app.kubernetes.io/name: ingress-nginx
+    app.kubernetes.io/part-of: ingress-nginx
+    app.kubernetes.io/version: 1.2.0
+  name: ingress-nginx
+rules:
+- apiGroups:
+  - ""
+  resources:
+  - configmaps
+  - endpoints
+  - nodes
+  - pods
+  - secrets
+  - namespaces
+  verbs:
+  - list
+  - watch
+- apiGroups:
+  - ""
+  resources:
+  - nodes
+  verbs:
+  - get
+- apiGroups:
+  - ""
+  resources:
+  - services
+  verbs:
+  - get
+  - list
+  - watch
+- apiGroups:
+  - networking.k8s.io
+  resources:
+  - ingresses
+  verbs:
+  - get
+  - list
+  - watch
+- apiGroups:
+  - ""
+  resources:
+  - events
+  verbs:
+  - create
+  - patch
+- apiGroups:
+  - networking.k8s.io
+  resources:
+  - ingresses/status
+  verbs:
+  - update
+- apiGroups:
+  - networking.k8s.io
+  resources:
+  - ingressclasses
+  verbs:
+  - get
+  - list
+  - watch
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  labels:
+    app.kubernetes.io/component: admission-webhook
+    app.kubernetes.io/instance: ingress-nginx
+    app.kubernetes.io/name: ingress-nginx
+    app.kubernetes.io/part-of: ingress-nginx
+    app.kubernetes.io/version: 1.2.0
+  name: ingress-nginx-admission
+rules:
+- apiGroups:
+  - admissionregistration.k8s.io
+  resources:
+  - validatingwebhookconfigurations
+  verbs:
+  - get
+  - update
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: RoleBinding
+metadata:
+  labels:
+    app.kubernetes.io/component: controller
+    app.kubernetes.io/instance: ingress-nginx
+    app.kubernetes.io/name: ingress-nginx
+    app.kubernetes.io/part-of: ingress-nginx
+    app.kubernetes.io/version: 1.2.0
+  name: ingress-nginx
+  namespace: ingress-nginx
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: Role
+  name: ingress-nginx
+subjects:
+- kind: ServiceAccount
+  name: ingress-nginx
+  namespace: ingress-nginx
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: RoleBinding
+metadata:
+  labels:
+    app.kubernetes.io/component: admission-webhook
+    app.kubernetes.io/instance: ingress-nginx
+    app.kubernetes.io/name: ingress-nginx
+    app.kubernetes.io/part-of: ingress-nginx
+    app.kubernetes.io/version: 1.2.0
+  name: ingress-nginx-admission
+  namespace: ingress-nginx
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: Role
+  name: ingress-nginx-admission
+subjects:
+- kind: ServiceAccount
+  name: ingress-nginx-admission
+  namespace: ingress-nginx
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  labels:
+    app.kubernetes.io/instance: ingress-nginx
+    app.kubernetes.io/name: ingress-nginx
+    app.kubernetes.io/part-of: ingress-nginx
+    app.kubernetes.io/version: 1.2.0
+  name: ingress-nginx
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: ingress-nginx
+subjects:
+- kind: ServiceAccount
+  name: ingress-nginx
+  namespace: ingress-nginx
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  labels:
+    app.kubernetes.io/component: admission-webhook
+    app.kubernetes.io/instance: ingress-nginx
+    app.kubernetes.io/name: ingress-nginx
+    app.kubernetes.io/part-of: ingress-nginx
+    app.kubernetes.io/version: 1.2.0
+  name: ingress-nginx-admission
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: ingress-nginx-admission
+subjects:
+- kind: ServiceAccount
+  name: ingress-nginx-admission
+  namespace: ingress-nginx
+---
+apiVersion: v1
+data:
+  allow-snippet-annotations: "true"
+kind: ConfigMap
+metadata:
+  labels:
+    app.kubernetes.io/component: controller
+    app.kubernetes.io/instance: ingress-nginx
+    app.kubernetes.io/name: ingress-nginx
+    app.kubernetes.io/part-of: ingress-nginx
+    app.kubernetes.io/version: 1.2.0
+  name: ingress-nginx-controller
+  namespace: ingress-nginx
+---
+apiVersion: v1
+kind: Service
+metadata:
+  labels:
+    app.kubernetes.io/component: controller
+    app.kubernetes.io/instance: ingress-nginx
+    app.kubernetes.io/name: ingress-nginx
+    app.kubernetes.io/part-of: ingress-nginx
+    app.kubernetes.io/version: 1.2.0
+  annotations:
+    # NOTE: This only works when using Gardener to manage the cluster
+    cert.gardener.cloud/commonName: #TODO: wildcard ingress URL, e.g. "*.example.com"
+    cert.gardener.cloud/purpose: managed
+    cert.gardener.cloud/secretname: tls-secret
+    dns.gardener.cloud/class: garden
+    dns.gardener.cloud/dnsnames: #TODO: wildcard ingress URL, e.g. "*.example.com"
+    dns.gardener.cloud/ttl: "600"
+  name: ingress-nginx-controller
+  namespace: ingress-nginx
+spec:
+  externalTrafficPolicy: Local
+  ports:
+  - appProtocol: http
+    name: http
+    port: 80
+    protocol: TCP
+    targetPort: http
+  - appProtocol: https
+    name: https
+    port: 443
+    protocol: TCP
+    targetPort: https
+  selector:
+    app.kubernetes.io/component: controller
+    app.kubernetes.io/instance: ingress-nginx
+    app.kubernetes.io/name: ingress-nginx
+  type: LoadBalancer
+---
+apiVersion: v1
+kind: Service
+metadata:
+  labels:
+    app.kubernetes.io/component: controller
+    app.kubernetes.io/instance: ingress-nginx
+    app.kubernetes.io/name: ingress-nginx
+    app.kubernetes.io/part-of: ingress-nginx
+    app.kubernetes.io/version: 1.2.0
+  name: ingress-nginx-controller-admission
+  namespace: ingress-nginx
+spec:
+  ports:
+  - appProtocol: https
+    name: https-webhook
+    port: 443
+    targetPort: webhook
+  selector:
+    app.kubernetes.io/component: controller
+    app.kubernetes.io/instance: ingress-nginx
+    app.kubernetes.io/name: ingress-nginx
+  type: ClusterIP
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  labels:
+    app.kubernetes.io/component: controller
+    app.kubernetes.io/instance: ingress-nginx
+    app.kubernetes.io/name: ingress-nginx
+    app.kubernetes.io/part-of: ingress-nginx
+    app.kubernetes.io/version: 1.2.0
+  name: ingress-nginx-controller
+  namespace: ingress-nginx
+spec:
+  minReadySeconds: 0
+  revisionHistoryLimit: 10
+  selector:
+    matchLabels:
+      app.kubernetes.io/component: controller
+      app.kubernetes.io/instance: ingress-nginx
+      app.kubernetes.io/name: ingress-nginx
+  template:
+    metadata:
+      labels:
+        app.kubernetes.io/component: controller
+        app.kubernetes.io/instance: ingress-nginx
+        app.kubernetes.io/name: ingress-nginx
+    spec:
+      containers:
+      - args:
+        - /nginx-ingress-controller
+        - --publish-service=$(POD_NAMESPACE)/ingress-nginx-controller
+        - --election-id=ingress-controller-leader
+        - --controller-class=k8s.io/ingress-nginx
+        - --ingress-class=nginx
+        - --configmap=$(POD_NAMESPACE)/ingress-nginx-controller
+        - --validating-webhook=:8443
+        - --validating-webhook-certificate=/usr/local/certificates/cert
+        - --validating-webhook-key=/usr/local/certificates/key
+        - --default-ssl-certificate=ingress-nginx/tls-secret
+        env:
+        - name: POD_NAME
+          valueFrom:
+            fieldRef:
+              fieldPath: metadata.name
+        - name: POD_NAMESPACE
+          valueFrom:
+            fieldRef:
+              fieldPath: metadata.namespace
+        - name: LD_PRELOAD
+          value: /usr/local/lib/libmimalloc.so
+        image: k8s.gcr.io/ingress-nginx/controller:v1.2.0@sha256:d8196e3bc1e72547c5dec66d6556c0ff92a23f6d0919b206be170bc90d5f9185
+        imagePullPolicy: IfNotPresent
+        lifecycle:
+          preStop:
+            exec:
+              command:
+              - /wait-shutdown
+        livenessProbe:
+          failureThreshold: 5
+          httpGet:
+            path: /healthz
+            port: 10254
+            scheme: HTTP
+          initialDelaySeconds: 10
+          periodSeconds: 10
+          successThreshold: 1
+          timeoutSeconds: 1
+        name: controller
+        ports:
+        - containerPort: 80
+          name: http
+          protocol: TCP
+        - containerPort: 443
+          name: https
+          protocol: TCP
+        - containerPort: 8443
+          name: webhook
+          protocol: TCP
+        readinessProbe:
+          failureThreshold: 3
+          httpGet:
+            path: /healthz
+            port: 10254
+            scheme: HTTP
+          initialDelaySeconds: 10
+          periodSeconds: 10
+          successThreshold: 1
+          timeoutSeconds: 1
+        resources:
+          requests:
+            cpu: 100m
+            memory: 90Mi
+        securityContext:
+          allowPrivilegeEscalation: true
+          capabilities:
+            add:
+            - NET_BIND_SERVICE
+            drop:
+            - ALL
+          runAsUser: 101
+        volumeMounts:
+        - mountPath: /usr/local/certificates/
+          name: webhook-cert
+          readOnly: true
+      dnsPolicy: ClusterFirst
+      nodeSelector:
+        kubernetes.io/os: linux
+      serviceAccountName: ingress-nginx
+      terminationGracePeriodSeconds: 300
+      volumes:
+      - name: webhook-cert
+        secret:
+          secretName: ingress-nginx-admission
+---
+apiVersion: batch/v1
+kind: Job
+metadata:
+  labels:
+    app.kubernetes.io/component: admission-webhook
+    app.kubernetes.io/instance: ingress-nginx
+    app.kubernetes.io/name: ingress-nginx
+    app.kubernetes.io/part-of: ingress-nginx
+    app.kubernetes.io/version: 1.2.0
+  name: ingress-nginx-admission-create
+  namespace: ingress-nginx
+spec:
+  template:
+    metadata:
+      labels:
+        app.kubernetes.io/component: admission-webhook
+        app.kubernetes.io/instance: ingress-nginx
+        app.kubernetes.io/name: ingress-nginx
+        app.kubernetes.io/part-of: ingress-nginx
+        app.kubernetes.io/version: 1.2.0
+      name: ingress-nginx-admission-create
+    spec:
+      containers:
+      - args:
+        - create
+        - --host=ingress-nginx-controller-admission,ingress-nginx-controller-admission.$(POD_NAMESPACE).svc
+        - --namespace=$(POD_NAMESPACE)
+        - --secret-name=ingress-nginx-admission
+        env:
+        - name: POD_NAMESPACE
+          valueFrom:
+            fieldRef:
+              fieldPath: metadata.namespace
+        image: k8s.gcr.io/ingress-nginx/kube-webhook-certgen:v1.1.1@sha256:64d8c73dca984af206adf9d6d7e46aa550362b1d7a01f3a0a91b20cc67868660
+        imagePullPolicy: IfNotPresent
+        name: create
+        securityContext:
+          allowPrivilegeEscalation: false
+      nodeSelector:
+        kubernetes.io/os: linux
+      restartPolicy: OnFailure
+      securityContext:
+        fsGroup: 2000
+        runAsNonRoot: true
+        runAsUser: 2000
+      serviceAccountName: ingress-nginx-admission
+---
+apiVersion: batch/v1
+kind: Job
+metadata:
+  labels:
+    app.kubernetes.io/component: admission-webhook
+    app.kubernetes.io/instance: ingress-nginx
+    app.kubernetes.io/name: ingress-nginx
+    app.kubernetes.io/part-of: ingress-nginx
+    app.kubernetes.io/version: 1.2.0
+  name: ingress-nginx-admission-patch
+  namespace: ingress-nginx
+spec:
+  template:
+    metadata:
+      labels:
+        app.kubernetes.io/component: admission-webhook
+        app.kubernetes.io/instance: ingress-nginx
+        app.kubernetes.io/name: ingress-nginx
+        app.kubernetes.io/part-of: ingress-nginx
+        app.kubernetes.io/version: 1.2.0
+      name: ingress-nginx-admission-patch
+    spec:
+      containers:
+      - args:
+        - patch
+        - --webhook-name=ingress-nginx-admission
+        - --namespace=$(POD_NAMESPACE)
+        - --patch-mutating=false
+        - --secret-name=ingress-nginx-admission
+        - --patch-failure-policy=Fail
+        env:
+        - name: POD_NAMESPACE
+          valueFrom:
+            fieldRef:
+              fieldPath: metadata.namespace
+        image: k8s.gcr.io/ingress-nginx/kube-webhook-certgen:v1.1.1@sha256:64d8c73dca984af206adf9d6d7e46aa550362b1d7a01f3a0a91b20cc67868660
+        imagePullPolicy: IfNotPresent
+        name: patch
+        securityContext:
+          allowPrivilegeEscalation: false
+      nodeSelector:
+        kubernetes.io/os: linux
+      restartPolicy: OnFailure
+      securityContext:
+        fsGroup: 2000
+        runAsNonRoot: true
+        runAsUser: 2000
+      serviceAccountName: ingress-nginx-admission
+---
+apiVersion: networking.k8s.io/v1
+kind: IngressClass
+metadata:
+  labels:
+    app.kubernetes.io/component: controller
+    app.kubernetes.io/instance: ingress-nginx
+    app.kubernetes.io/name: ingress-nginx
+    app.kubernetes.io/part-of: ingress-nginx
+    app.kubernetes.io/version: 1.2.0
+  name: nginx
+spec:
+  controller: k8s.io/ingress-nginx
+---
+apiVersion: admissionregistration.k8s.io/v1
+kind: ValidatingWebhookConfiguration
+metadata:
+  labels:
+    app.kubernetes.io/component: admission-webhook
+    app.kubernetes.io/instance: ingress-nginx
+    app.kubernetes.io/name: ingress-nginx
+    app.kubernetes.io/part-of: ingress-nginx
+    app.kubernetes.io/version: 1.2.0
+  name: ingress-nginx-admission
+webhooks:
+- admissionReviewVersions:
+  - v1
+  clientConfig:
+    service:
+      name: ingress-nginx-controller-admission
+      namespace: ingress-nginx
+      path: /networking/v1/ingresses
+  failurePolicy: Fail
+  matchPolicy: Equivalent
+  name: validate.nginx.ingress.kubernetes.io
+  rules:
+  - apiGroups:
+    - networking.k8s.io
+    apiVersions:
+    - v1
+    operations:
+    - CREATE
+    - UPDATE
+    resources:
+    - ingresses
+  sideEffects: None
diff --git a/charts/k8s-gerrit/supplements/test-cluster/ldap/openldap.yaml b/charts/k8s-gerrit/supplements/test-cluster/ldap/openldap.yaml
new file mode 100644
index 0000000..e6e42cc
--- /dev/null
+++ b/charts/k8s-gerrit/supplements/test-cluster/ldap/openldap.yaml
@@ -0,0 +1,85 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: openldap
+---
+apiVersion: v1
+kind: Secret
+metadata:
+  name: openldap-admin
+  namespace: openldap
+  labels:
+    app: gerrit
+data:
+  adminpassword: #TODO
+---
+apiVersion: v1
+kind: Secret
+metadata:
+  name: openldap-users
+  namespace: openldap
+  labels:
+    app: gerrit
+data:
+  users: gerrit-admin,gerrit-user
+  passwords: #TODO
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: openldap
+  namespace: openldap
+  labels:
+    app.kubernetes.io/name: openldap
+spec:
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: openldap
+  replicas: 1
+  template:
+    metadata:
+      labels:
+        app.kubernetes.io/name: openldap
+    spec:
+      containers:
+      - name: openldap
+        image: docker.io/bitnami/openldap:latest
+        imagePullPolicy: "IfNotPresent"
+        env:
+          - name: LDAP_ADMIN_USERNAME
+            value: "admin"
+          - name: LDAP_ADMIN_PASSWORD
+            valueFrom:
+              secretKeyRef:
+                key: adminpassword
+                name: openldap-admin
+          - name: LDAP_USERS
+            valueFrom:
+              secretKeyRef:
+                key: users
+                name: openldap-users
+          - name: LDAP_PASSWORDS
+            valueFrom:
+              secretKeyRef:
+                key: passwords
+                name: openldap-users
+        ports:
+          - name: tcp-ldap
+            containerPort: 1389
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: openldap
+  namespace: openldap
+  labels:
+    app.kubernetes.io/name: openldap
+spec:
+  type: ClusterIP
+  ports:
+    - name: tcp-ldap
+      port: 1389
+      targetPort: tcp-ldap
+  selector:
+    app.kubernetes.io/name: openldap
+
diff --git a/charts/k8s-gerrit/supplements/test-cluster/nfs/nfs-provisioner.values.yaml b/charts/k8s-gerrit/supplements/test-cluster/nfs/nfs-provisioner.values.yaml
new file mode 100644
index 0000000..54ddd36
--- /dev/null
+++ b/charts/k8s-gerrit/supplements/test-cluster/nfs/nfs-provisioner.values.yaml
@@ -0,0 +1,8 @@
+nfs:
+  server: #TODO
+  path: #TODO
+
+storageClass:
+  reclaimPolicy: Delete
+  archiveOnDelete: false
+  onDelete: delete
diff --git a/charts/k8s-gerrit/supplements/test-cluster/nfs/resources/nfs.namespace.yaml b/charts/k8s-gerrit/supplements/test-cluster/nfs/resources/nfs.namespace.yaml
new file mode 100644
index 0000000..6545cb0
--- /dev/null
+++ b/charts/k8s-gerrit/supplements/test-cluster/nfs/resources/nfs.namespace.yaml
@@ -0,0 +1,4 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: nfs