demo-controller.yaml

---
kind: ClusterRole
apiVersion: rbac.authorization.k8s.io/v1
metadata:
  name: demo-controller  
rules:
- apiGroups: [""]
  resources: ["pods"]
  verbs: ["get", "watch", "list"]
---
apiVersion: v1
kind: ServiceAccount
metadata:
  name: demo-controller  
---
apiVersion: rbac.authorization.k8s.io/v1beta1
kind: ClusterRoleBinding
metadata:
  name: demo-controller
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: demo-controller
subjects:
  - kind: ServiceAccount
    name: demo-controller
    namespace: default
---
apiVersion: apps/v1beta2
kind: Deployment
metadata:
  name: demo-controller
  labels:
    app: demo-controller
spec:
  replicas: 1
  selector:
    matchLabels:
      app: demo-controller
  template:
    metadata:
      annotations:
        scheduler.alpha.kubernetes.io/critical-pod: ""
      labels:
        app: demo-controller
    spec:
      serviceAccountName: demo-controller      
      tolerations:
        - key: CriticalAddonsOnly
          operator: "Exists"      
      containers:
      - name: demo-controller
        resources:
          requests:
            cpu: 250m
            memory: 128Mi
          limits:
            cpu: 250m
            memory: 256Mi
        image: YOUR_URL:TAG