livenessProbe

apiVersion: v1
kind: Pod
metadata:
  name: pod-health-check
  labels:
    name: pod-health-check
  namespace: default
spec:
  containers:
  - name: busybox-health-check
    image: busybox
    command:
    - "/bin/sh"
    - "-c"
    - "touch /tmp/health; sleep 30; rm -f /tmp/health; sleep 600"
    livenessProbe:
      exec:
        command:
        - "/bin/sh"
        - "-c"
        - "cat /tmp/health"
      initialDelaySeconds: 5
      periodSeconds: 5

HTTP

livenessProbe:
     httpGet:
       path: /healthz
       port: 8080
       httpHeaders:
       - name: X-Custom-Header
         value: Awesome
       initialDelaySeconds: 3
       periodSeconds: 3

TCP

    ...
    livenessProbe:
      tcpSocket:
        port: 8080
      initialDelaySeconds: 15
      periodSeconds: 20