service.deployment.yaml

kind: Deployment
apiVersion: "extensions/v1beta1"
metadata:
  name: "app"
spec:
  replicas: 2
  revisionHistoryLimit: 2
  template:
    metadata:
      labels:
        service: "app"
    spec:
      containers:
      - name: "app"
        image: "eu.gcr.io/project/app"
        imagePullPolicy: Always
        resources:
          requests:
            cpu: "64m"
            memory: "100Mi"
        volumeMounts:
          - name: app-defaults
            mountPath: /app/config/application.yml
            subPath: application.yml
        ports:
        - containerPort: 3000
      volumes:
      - name: app-defaults
        secret:
          secretName: app-defaults
---
kind: Service
apiVersion: v1
metadata:
  name: "app"
  labels:
    service: "app"
spec:
  type: NodePort
  sessionAffinity: ClientIP
  ports:
  - port: 3000
    targetPort: 3000
  selector:
    service: "app"