Configuring Probes for a Kubernetes Pod

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Configuring Probes for a Kubernetes Pod

Kubernetes is a powerful tool when it comes to keeping your containers running. It can automatically manage the process of restarting containers when they fail, and it can also manage network traffic to ensure only healthy and running containers are used to serve incoming requests. One way to gain even more control over these kinds of automation is through the use of liveness and readiness probes. In this lab, you will have the opportunity to work with liveness and readiness probes by configuring them for a pod.

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Lab Info

Level

Intermediate

Last updated

Sep 12, 2025

Duration

15m

Challenge

Create a Probe to Detect and Restart Unhealthy Containers

Edit the pod descriptor to add a liveness probe:

vi candy-service-pod.yml

apiVersion: v1
kind: Pod
metadata:
  name: candy-service
spec:
  containers:
  - name: candy-service
    image: linuxacademycontent/candy-service:2
    livenessProbe:
      httpGet:
        path: /healthz
        port: 8081

Challenge

Create a Probe to Detect When the Container is Ready to Service Requests

Create a readiness probe for the pod.

apiVersion: v1
kind: Pod
metadata:
  name: candy-service
spec:
  containers:
  - name: candy-service
    image: linuxacademycontent/candy-service:2
    livenessProbe:
      httpGet:
        path: /healthz
        port: 8081
    readinessProbe:
      httpGet:
        path: /
        port: 80

Create the pod in the cluster:

kubectl apply -f candy-service-pod.yml

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