K3s-cluster/adguard/deployment.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: adguard
spec:
  replicas: 1
  selector:
    matchLabels:
      app: adguard
  template:
    metadata:
      labels:
        app: adguard
    spec: 
      initContainers:
        - name: config-binder
          image: alpine
          command: ["sh", "-c", "mkdir -p /adguard/conf && cp /binder/AdGuardHome.yaml /adguard/conf/AdGuardHome.yaml"]
          volumeMounts:
            - name: adguard-config-volume
              mountPath: /binder
            - name: adguard-data
              mountPath: /adguard
      containers:
        - name: adguard
          image: adguard/adguardhome
          ports:
            - containerPort: 53
              protocol: UDP
            - containerPort: 53
              protocol: TCP
            - containerPort: 3000
              protocol: TCP
          volumeMounts:
            - name: adguard-data
              mountPath: /opt/adguardhome/conf
              subPath: conf
            - name: adguard-data
              mountPath: /opt/adguardhome/work
              subPath: work
      volumes:
        - name: adguard-config-volume
          configMap:
            name: adguard-config
        - name: adguard-data
          persistentVolumeClaim:
              claimName: adguard-pvc