guestbook-deployment.yaml

#Secret
apiVersion: v1
data:
  secret: VGhpcyBpcyBhIHNlY3JldAo=
kind: Secret
metadata:
  name: super-secret
---



#ConfigMap
apiVersion: v1
data:
  cm.value1: Hello Prague!
  cm.value2: Glad to be here!
kind: ConfigMap
metadata:
  name: oss-prague-config
---



#Pod with Volume 
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  name: guestbook
  labels:
    app: guestbook
spec:
  replicas: 3
  template:
    metadata:
      labels:
        app: guestbook
    spec:
      containers:
      - name: guestbook
        image: bsteciuk/guestbook:v1.4
        env:
          - name: CM_VALUE1
            valueFrom:
              configMapKeyRef:
                name: oss-prague-config
                key: cm.value1
          - name: CM_VALUE2
            valueFrom:
              configMapKeyRef:
                name: oss-prague-config
                key: cm.value2
          - name: SUPER_SECRET
            valueFrom:
              secretKeyRef:
                name: super-secret
                key: secret
        ports:
        - name: http-server
          containerPort: 3000
          protocol: TCP
        volumeMounts:
        - name: guestapp-volume
          mountPath: C:/app/data
      volumes:
      - name: guestapp-volume
        hostPath:
        #directory location on host
          path: C:/guestapp-mount
      nodeSelector:
        beta.kubernetes.io/os: windows