k8s_demo.yaml

# kubectl -n orchard apply -f k8s-demo.yaml
# kubectl -n orchard edit configmap k8s-demo

apiVersion: v1
data:
  index.html: |
    <h1>Hello k8s</h1>
    <p>This is a test page...</p>
kind: ConfigMap
metadata:
  name: k8s-demo
  namespace: orchard
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: k8s-demo
spec:
  replicas: 1
  selector:
    matchLabels:
      app: k8s-demo
  template:
    metadata:
      labels:
        app: k8s-demo
    spec:
      containers:
      - name: k8s-demo
        image: nginx:latest
        volumeMounts:
        - mountPath: /usr/share/nginx/html/
          name: k8s-demo-volume
      volumes:
      - name: k8s-demo-volume
        configMap:
          name: k8s-demo
---
apiVersion: v1
kind: Service
metadata:
  annotations:
    cloud.google.com/load-balancer-type: Internal
  name: k8s-demo
  namespace: orchard
spec:
  type: LoadBalancer
  selector:
    app: k8s-demo
  ports:
  - protocol: TCP
    port: 80
    targetPort: 80