# Apache HTTP Server Deployment
apiVersion: apps/v1
kind: Deployment
metadata:
  name: apache-deployment
  namespace: test
spec:
  replicas: 2
  selector:
    matchLabels:
      app: apache
  template:
    metadata:
      labels:
        app: apache
    spec:
      initContainers:
      - name: nfs-check-apache-htdocs
        image: busybox:stable
        command:
        - sh
        - -c
        - |
          test -f /mnt/.nfs-sentinel || (
            echo "ERROR: NFS sentinel missing at /mnt/.nfs-sentinel"
            echo "refusing to start; node likely has NFS unmounted"
            echo "pod would otherwise bind-mount the local-XFS shadow"
            exit 1
          )
        volumeMounts:
        - name: apache-htdocs
          mountPath: /mnt
          readOnly: true
      containers:
      - name: apache
        image: httpd:latest
        ports:
        # Container port where Apache listens
        - containerPort: 80
        readinessProbe:
          httpGet:
            path: /
            port: 80
          initialDelaySeconds: 5
          periodSeconds: 10
        livenessProbe:
          httpGet:
            path: /
            port: 80
          initialDelaySeconds: 15
          periodSeconds: 10
        volumeMounts:
        - name: apache-htdocs
          mountPath: /usr/local/apache2/htdocs/
      volumes:
      - name: apache-htdocs
        persistentVolumeClaim:
          claimName: example-apache-pvc