grafana.yaml

apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  name: grafana
  namespace: monitoring
spec:
  replicas: 1
  template:
    metadata:
      labels:
        k8s-app: grafana
    spec:
      containers:
      - name: grafana
        image: grafana/grafana
        ports:
        - containerPort: 3000
          protocol: TCP
        volumeMounts:
        - mountPath: /var/lib/grafana
          name: grafana-storage
        env:
        - name: GF_SERVER_HTTP_PORT
          value: "3000"
        - name: GF_SECURITY_ADMIN_PASSWORD
          value: "helloworld"
        - name: GF_INSTALL_PLUGINS
          value: "grafana-kubernetes-app"
      volumes:
      - name: grafana-storage
        emptyDir: {}

pls, fix identation. It should be

volumes:
      - name: grafana-storage
        emptyDir: {}