webserver-k8s/kustomize/roundcube-deployment.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: roundcube
spec:
  selector:
    matchLabels:
      app: roundcube
      tier: frontend
  strategy:
    type: Recreate
  template:
    metadata:
      labels:
        app: roundcube
        tier: frontend
    spec:
      containers:
      - name: roundcube
        image: roundcube/roundcubemail:latest
        env:
          - name: ROUNDCUBEMAIL_DEFAULT_HOST
            value: mail-dovecot
          - name: ROUNDCUBEMAIL_SMTP_SERVER
            value: mail-postfix
          - name: ROUNDCUBEMAIL_DB_TYPE
            value: sqlite
        volumeMounts:
          - name: roundcube-persistent-storage
            mountPath: /var/roundcube
        resources:
          limits:
            memory: "128Mi"
            cpu: "500m"
        ports:
        - containerPort: 80
          name: roundcube
      volumes:
        - name: roundcube-persistent-storage
          persistentVolumeClaim:
            claimName: roundcube-pv-claim