controller.yaml

apiVersion: v1
kind: ServiceAccount
metadata:
  name: example-controller-service-account

---

apiVersion: rbac.authorization.k8s.io/v1
kind: Role
metadata:
  name: example-controller-role
rules:
  - apiGroups:
    - "patrickdap.com"
    resources:
    - todos
    verbs:
    - list

---

apiVersion: rbac.authorization.k8s.io/v1
kind: RoleBinding
metadata:
  name: example-controller-rolebinding
subjects:
  - kind: ServiceAccount
    name: example-controller-service-account
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: Role
  name: example-controller-role

---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: example-controller
spec:
  replicas: 1
  selector:
    matchLabels:
      app: example-controller
  template:
    metadata:
      labels:
        app: example-controller
    spec:
      serviceAccountName: example-controller-service-account
      containers:
        - name: example-controller
          image: demo-controller:latest
          imagePullPolicy: IfNotPresent
          ports:
            - name: web
              containerPort: 8080