Update examples

helm-kustomize/README.md

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+# Helm Kustomize Example
+
+This example will deploy the [Kubernetes sample guestbook](https://github.com/kubernetes/examples/tree/master/guestbook/) application as
+packaged as a Helm chart downloaded from a third party source and will modify the helm chart using Kustomize.
+The app will be deployed into the `fleet-helm-kustomize-example` namespace.
+
+The application will be customized as follows per environment:
+
+* Dev clusters: Only the redis leader is deployed and not the followers.
+* Test clusters: Scale the front deployment to 3
+* Prod clusters: Scale the front deployment to 3 and set the service type to LoadBalancer
+
+```yaml
+kind: GitRepo
+apiVersion: fleet.cattle.io/v1alpha1
+metadata:
+  name: helm-kustomize
+  namespace: fleet-local
+spec:
+  repo: https://github.com/rancher/fleet-examples/
+  bundleDirs: helm-kustomize
+```

helm-kustomize/fleet.yaml

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+namespace: fleet-helm-kustomize-example
+chart: https://github.com/rancher/fleet-examples/releases/download/example/guestbook-0.0.0.tgz
+targets:
+- name: dev
+  clusterSelector:
+    matchLabels:
+      env: dev
+  # NOTE: This directory is always relative to ./kustomize
+  kustomizeDir: overlays/dev
+
+- name: test
+  clusterSelector:
+    matchLabels:
+      env: test
+  # NOTE: This directory is always relative to ./kustomize
+  kustomizeDir: overlays/test
+
+- name: prod
+  clusterSelector:
+    matchLabels:
+      env: prod
+  # NOTE: This directory is always relative to ./kustomize
+  kustomizeDir: overlays/prod

helm-kustomize/kustomize/overlays/dev/kustomization.yaml

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+patches:
+- redis-slave-deployment.yaml
+- redis-slave-service.yaml

helm-kustomize/kustomize/overlays/dev/redis-slave-deployment.yaml

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+kind: Deployment
+apiVersion: apps/v1
+metadata:
+  name: redis-slave
+spec:
+  replicas: 0

helm-kustomize/kustomize/overlays/dev/redis-slave-service.yaml

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+kind: Service
+apiVersion: v1
+metadata:
+  name: redis-slave
+spec:
+  selector:
+    role: master

helm-kustomize/kustomize/overlays/prod/frontend-deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: frontend
+spec:
+  replicas: 3

helm-kustomize/kustomize/overlays/prod/frontend-service.yaml

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+kind: Service
+apiVersion: v1
+metadata:
+  name: frontend
+spec:
+  type: LoadBalancer

helm-kustomize/kustomize/overlays/prod/kustomization.yaml

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+patches:
+- frontend-deployment.yaml
+- frontend-service.yaml

helm-kustomize/kustomize/overlays/test/frontend-deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: frontend
+spec:
+  replicas: 3

helm-kustomize/kustomize/overlays/test/kustomization.yaml

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+patches:
+- frontend-deployment.yaml