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Designing and Implementing Microsoft DevOps Solutions AZ-400 Exam Guide

Designing and Implementing Microsoft DevOps Solutions AZ-400 Exam Guide - Second Edition

By : Subhajit Chatterjee, Swapneel Deshpande, Been, Gaag
4.3 (7)
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Designing and Implementing Microsoft DevOps Solutions AZ-400 Exam Guide

Designing and Implementing Microsoft DevOps Solutions AZ-400 Exam Guide

4.3 (7)
By: Subhajit Chatterjee, Swapneel Deshpande, Been, Gaag

Overview of this book

The AZ-400 Designing and Implementing Microsoft DevOps Solutions certification helps DevOps engineers and administrators get to grips with practices such as continuous integration and continuous delivery (CI/CD), containerization, and zero downtime deployments using Azure DevOps Services. This new edition is updated with advanced topics such as site reliability engineering (SRE), continuous improvement, and planning your cloud transformation journey. The book begins with the basics of CI/CD and automated deployments, and then moves ahead to show you how to apply configuration management and Infrastructure as Code (IaC) along with managing databases in DevOps scenarios. As you make progress, you’ll explore fitting security and compliance with DevOps and find out how to instrument applications and gather metrics to understand application usage and user behavior. This book will also help you implement a container build strategy and manage Azure Kubernetes Services. Lastly, you’ll discover quick tips and tricks to confidently apply effective DevOps practices and learn to create your own Azure DevOps organization. By the end of this DevOps book, you'll have gained the knowledge needed to ensure seamless application deployments and business continuity.
Table of Contents (27 chapters)
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1
Part 1 – Digital Transformation through DevOps
5
Part 2 – Getting to Continuous Delivery
9
Part 3 – Expanding Your DevOps Pipeline
15
Part 4 – Closing the Loop
18
Part 5 – Advanced Topics

Scaling containers and Kubernetes

As the demand for your application grows, you will need to scale the application. Scaling the application can be done in multiple ways and different components can be scaled:

Figure 16.16 – The autoscaler in AKS

The preceding diagram shows you the different ways to scale your application or cluster, which we will discuss over the upcoming subsections.

Scaling Pods manually

Pods can easily be scaled by updating the number of replicas. Try getting your Pods by using the kubectl get Pods command, and increase the number of replicas by using the following command:

kubectl scale --replicas=[number of Pods] deployment/[deploymentname]

This command scales the Pods up or down, based on the number of replicas. The scale is adjusted, as shown in the deployment configuration.

Autoscaling Pods

AKS also supports autoscaling. The scheduler will then update the number of Pods, depending on CPU utilization or other...

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Designing and Implementing Microsoft DevOps Solutions AZ-400 Exam Guide
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