k8s-daemonset--docker-builder-prune.yml

---
apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: docker-builder-prune
spec:
  minReadySeconds: 60
  selector:
    matchLabels:
      app: docker-builder-prune
  updateStrategy:
    type: RollingUpdate
  template:
    metadata:
      labels:
        app: docker-builder-prune
        version: v1
    spec:
      volumes:
      - name: docker-socket
        hostPath:
          path: /var/run/docker.sock
      - name: docker-var-lib
        hostPath:
          path: /var/lib/docker
      dnsConfig:
        options:
        - name: edns0
        - name: single-request
        - name: single-request-reopen
        - name: timeout
          value: '1'
        - name: attempts
          value: '2'
        - name: ndots
          value: '1'
      containers:
      - name: docker-builder-prune
        image: jamesjj/docker-builder-prune:20191109c
        imagePullPolicy: IfNotPresent
        env:
        - name: HOST_IP
          valueFrom:
            fieldRef:
              fieldPath: status.hostIP
        volumeMounts:
        - name: docker-socket
          mountPath: /var/run/docker.sock
        - name: docker-var-lib
          mountPath: /var/lib/docker
          readOnly: true
        resources:
          limits:
            cpu: 150m
            memory: 128Mi
          requests:
            cpu: 20m
            memory: 128Mi