k3s STS for NFS Server

sts.yml

---
apiVersion: v1
kind: ConfigMap
metadata:
  name: nfs-server-exports
  namespace: nfs-server
data:
  exports: |
    /k8s-pool *(rw,fsid=0,sync,no_subtree_check,no_root_squash)
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: nfs-server
  namespace: nfs-server
spec:
  selector:
      matchLabels:
        app: nfs-server
  serviceName: "nfs-server"
  updateStrategy:
    type: RollingUpdate
  template:
    metadata:
      labels:
        app: nfs-server
    spec:
      nodeSelector:
        kubernetes.io/hostname: "node01.home.lan"
      affinity:
        nodeAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
            nodeSelectorTerms:
            - matchExpressions:
              - key: kubernetes.io/os
                operator: In
                values:
                - linux
      serviceAccountName: nfs-server
      restartPolicy: Always
      containers:
      - name: nfs-server
        # https://build.opensuse.org/package/show/devel:kubic:containers/opensuse-nfs-server-image
        image: registry.opensuse.org/opensuse/nfs-server:latest
        imagePullPolicy: Always
        args: ["/k8s-pool"]
        ports:
        - containerPort: 2049
          protocol: TCP
        - containerPort: 2049
          protocol: UDP
        - containerPort: 111
          protocol: UDP
        resources:
          requests:
            cpu: 10m
            memory: 256Mi
          limits:
            memory: 512Mi
        volumeMounts:
        - name: nfs-server-config
          mountPath: /etc/exports
          subPath: exports
        - name: nfs-server-storage
          mountPath: /k8s-pool
        securityContext:
          privileged: true
      volumes:
        - name: nfs-server-config
          configMap:
            name: nfs-server-exports
  volumeClaimTemplates:
    - metadata:
        name: nfs-server-storage
        annotations:
          k8up.io/backup: "false"
      spec:
        accessModes: [ "ReadWriteOnce" ]
        storageClassName: local-path
        resources:
          requests:
            storage: 100Gi