apiVersion: v1
kind: Pod
metadata:
  name: lifecycle-demo
spec:
  containers:
  - name: demo-container
    image: nginx
    lifecycle:
      postStart:
        exec:
          command: ["/bin/sh", "-c", "echo 'Container started!' > /usr/share/nginx/html/index.html"]
      preStop:
        exec:
          command: ["/bin/sh", "-c", "echo 'Container stopping...' >> /usr/share/nginx/html/index.html && sleep 10"]
    terminationGracePeriodSeconds: 15