Companion files used in the episode "Trying Kubernetes for the First Time" on the DevTips channel: https://youtu.be/ZSuh_nNPGls

app.js

var http = require('http'); var handleRequest = function(request, response) { console.log('Received request for URL: ' + request.url); response.writeHead(200); response.end('Hello World!'); }; var www = http.createServer(handleRequest); www.listen(8080);

deployment.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
 name: helloworlddeployment
spec: 
 selector: 
  matchLabels: 
   app: helloworldlabel
 replicas: 2
 template: 
  spec: 
   containers: 
     - name: node
       imagePullPolicy: Never
       image: helloworld:latest
       ports: 
        - containerPort: 8080
  metadata:
   labels:
    app: helloworldlabel

Dockerfile

FROM node
EXPOSE 8080
COPY app.js .
CMD node app.js

services.yaml

apiVersion: v1
kind: Service
metadata:
 name: helloworldservice
spec:
 type: LoadBalancer
 ports:
  - port: 80
    targetPort: 8080
 selector:
  app: helloworldlabel
 externalIPs:
  - 192.168.99.100