dockerfiles/node/node-deployment.yaml

apiVersion: v1
kind: ConfigMap
metadata:
  name: nodejs
data:
  app.js: |
    const http = require('http');
    const os = require('os');
    var handler = function(request, response){
            response.writeHead(200);
            response.end("Hello nodejs!\n")
    };
    var www = http.createServer(handler);
    www.listen(80);

---
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  name: my-node
spec:
  replicas: 10
  template:
    metadata:
      labels:
        app: my-node
    spec:
      containers:
      - name: my-node
        image: docker.io/clearlinux/node
        ports:
        - containerPort: 80
        command: ["node", "/app.js"]
        volumeMounts:
        - name: nodejs-mount
          mountPath: /app.js
          subPath: app.js
      volumes:
      - name: nodejs-mount
        configMap:
          name: nodejs

---
apiVersion: v1
kind: Service
metadata:
  name: my-node
spec:
  type: NodePort
  ports:
  - port: 80
    targetPort: 80
    nodePort: 30001
  selector:
    app: my-node