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Deploying a Microservice Application to Kubernetes

Microservice applications can be quite complex but that complexity can offer many benefits. Kubernetes can help you take advantage of those benefits by making these complex infrastructures easier to manage through automation. In this hands-on lab, you will see the value of Kubernetes firsthand as you deploy a complex microservice architecture to the cluster and then independently scale some of its components.

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Path Info

Level
Clock icon Beginner
Duration
Clock icon 1h 0m
Published
Clock icon Jan 24, 2019

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Table of Contents

  1. Challenge

    Deploy the Stan's Robot Shop app to the cluster.

    1. Clone the Git repo that contains the pre-made descriptors:
    cd ~/
git clone https://github.com/linuxacademy/robot-shop.git
    1. Since this application has many components, it is a good idea to create a separate namespace for the app:
    kubectl create namespace robot-shop
    1. Deploy the app to the cluster:
    kubectl -n robot-shop create -f ~/robot-shop/K8s/descriptors/
    1. Check the status of the application's pods:
    kubectl get pods -n robot-shop
    1. You should be able to reach the robot shop app from your browser using the Kube master node's public IP: http://$kube_master_public_ip:30080

  2. Challenge

    Scale up the MongoDB deployment to two replicas instead of just one.

    1. Edit the deployment descriptor:
    kubectl edit deployment mongodb -n robot-shop
    1. You should see some YAML describing the deployment object.
    • Under spec:, look for the line that says replicas: 1 and change it to replicas: 2.
    • Save and exit.
    1. Check the status of the deployment with:
    kubectl get deployment mongodb -n robot-shop

    After a few moments, the number of available replicas should be 2.

Pluralsight Skills - Labs - Pluralsight
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Pluralsight Skills

Pluralsight Skills gives leaders confidence they have the skills needed to execute technology strategy. Technology teams can benchmark expertise across roles, speed up release cycles and build reliable, secure products. By leveraging our expert content, skill assessments and one-of-a-kind analytics, keep up with the pace of change, put the right people on the right projects and boost productivity. It's the most effective path to developing tech skills at scale.

What's a lab?

Hands-on Labs are real environments created by industry experts to help you learn. These environments help you gain knowledge and experience, practice without compromising your system, test without risk, destroy without fear, and let you learn from your mistakes. Hands-on Labs: practice your skills before delivering in the real world.

Provided environment for hands-on practice

We will provide the credentials and environment necessary for you to practice right within your browser.

Guided walkthrough

Follow along with the author’s guided walkthrough and build something new in your provided environment!

Did you know?

On average, you retain 75% more of your learning if you get time for practice.
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