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Implementing Health Checks in a Kubernetes Application

Kubernetes health checks provide a deeper level of control over how Kubernetes detects the state of your application containers. In this lab, you will work closely with health checks using Kubernetes probes to fine-tune how Kubernetes manages containers.

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Path Info

Clock icon Intermediate
Clock icon 30m
Clock icon Feb 25, 2022

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Table of Contents

  1. Challenge

    Add a Liveness Probe

    The comb-dashboard Deployment can be found in the hive Namespace.

    Edit the Deployment so that the containers are automatically restarted whenever they begin responding to HTTP requests with an error status code.

    The container application listens on port 80, and you can use the root path / to test whether the bug is occurring.

  2. Challenge

    Add a Readiness Probe

    You can find the comb-monitor in the hive Namespace.

    Edit this Deployment and add a probe that will verify that the application can execute command-line commands before the container is considered ready.

    You can use a simple command like echo This is a test!.

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