apiVersion: apps/v1
kind: Deployment
metadata:
  name: ubuntu-deployment
  namespace: default
  labels:
    app: ubuntu
spec:
  replicas: 1
  selector:
    matchLabels:
      app: ubuntu
  template:
    metadata:
      labels:
        app: ubuntu
    spec:
      containers:
      - name: ubuntu
        image: ubuntu:latest
        command: ["sh", "-c", "while true; do echo Hello Kubernetes!; sleep 3600; done"]