varnish-kustom/resources/deployment.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: varnish
  labels:
    app: varnish
spec:
  replicas: 1
  selector:
    matchLabels:
      app: varnish
  template:
    metadata:
      labels:
        app: varnish
    spec:
      containers:
      - name: varnish
        image: reg.cadoles.com/dh/library/varnish:7.6.1-alpine
        imagePullPolicy: IfNotPresent
        env:
        - name: VARNISH_HTTP_PORT
          value: "8080"
        envFrom:
        - configMapRef:
            name: varnish-env
        ports:
        - containerPort: 8080
        volumeMounts:
        - mountPath: /etc/varnish/default.vcl
          name: varnish-config
          subPath: default.vcl
        - mountPath: /var/lib/varnish/varnishd
          name: varnish-lib
        securityContext:
          readOnlyRootFilesystem: true
          allowPrivilegeEscalation: false
          capabilities:
            add: [ "IPC_LOCK" ]
      volumes:
      - name: varnish-config
        configMap:
          name: varnish-config
          items:
          - key: default.vcl
            path: default.vcl
      - name: varnish-lib
        emptyDir:
          sizeLimit: 1Gi
      securityContext:
        runAsUser: 1000
        runAsGroup: 1000
        runAsNonRoot: true