Sample Simulate Readiness

testreadiness.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: busybox-deployment
spec:
  replicas: 1
  selector:
    matchLabels:
      app: busybox
  template:
    metadata:
      labels:
        app: busybox
    spec:
      containers:
      - name: busybox
        image: busybox
        readinessProbe:
          exec:
            command:
            - cat
            - /tmp/healthy
          initialDelaySeconds: 5
          periodSeconds: 5
        args:
        - /bin/sh
        - -c
        - >
          while true; do
            touch /tmp/healthy;
            echo "File /tmp/healthy created.";
            sleep 15;
            rm /tmp/healthy;
            echo "File /tmp/healthy deleted.";
            sleep 15;
          done