apiVersion: apps/v1
kind: Deployment
metadata:
  name: unbound
  namespace: pihole
  labels:
    app: unbound
spec:
  replicas: 3
  selector:
    matchLabels:
      app: unbound
  strategy:
    type: RollingUpdate
    rollingUpdate:
      maxSurge: 25%
      maxUnavailable: 25%
  template:
    metadata:
      labels:
        app: unbound
    spec:
      affinity:
        nodeAffinity:
          preferredDuringSchedulingIgnoredDuringExecution:
            - weight: 1
              preference:
                matchExpressions:
                  - key: cpu
                    operator: In
                    values:
                      - arm
                  - key: model
                    operator: In
                    values:
                      - raspi
      containers:
        - name: unbound
          image: docker.io/mvance/unbound-rpi:latest
          imagePullPolicy: Always
          ports:
            - name: svc-53-udp
              containerPort: 53
              protocol: UDP
            - name: svc-53-tcp
              containerPort: 53
              protocol: TCP
          resources:
            requests:
              cpu: 250m
              memory: 50Mi
            limits:
              cpu: "1"
              memory: 1Gi