Book Image

Modern DevOps Practices - Second Edition

By : Gaurav Agarwal
Book Image

Modern DevOps Practices - Second Edition

By: Gaurav Agarwal

Overview of this book

DevOps and the cloud have changed how we look at software development and operations like never before, leading to the rapid growth of various DevOps tools, techniques, and practices. This updated edition helps you pick up the right tools by providing you with everything you need to get started with your DevOps journey. The book begins by introducing you to modern cloud-native architecture, and then teaches you about the architectural concepts needed to implement the modern way of application development. The next set of chapters helps you get familiarized with Git, Docker, Kubernetes, Ansible, Terraform, Packer, and other similar tools to enable you to build a base. As you advance, you’ll explore the core elements of cloud integration—AWS ECS, GKE, and other CaaS services. The chapters also discuss GitOps, continuous integration, and continuous delivery—GitHub actions, Jenkins, and Argo CD—to help you understand the essence of modern app delivery. Later, you’ll operate your container app in production using a service mesh and apply AI in DevOps. Throughout the book, you’ll discover best practices for automating and managing your development lifecycle, infrastructure, containers, and more. By the end of this DevOps book, you'll be well-equipped to develop and operate applications using modern tools and techniques.
Table of Contents (24 chapters)
1
Part 1:Modern DevOps Fundamentals
6
Part 2:Container Orchestration and Serverless
10
Part 3:Managing Config and Infrastructure
14
Part 4:Delivering Applications with GitOps
18
Part 5:Operating Applications in Production

The Modern Way of DevOps

This first chapter will provide some background knowledge of DevOps practices, processes, and tools. We will understand modern DevOps and how it differs from traditional DevOps. We will also introduce containers and understand in detail how containers within the cloud change the entire IT landscape so that we can build on this book’s base. While this book does not entirely focus on containers and their orchestration, modern DevOps practices heavily emphasize it.

In this chapter, we’re going to cover the following main topics:

  • What is DevOps?
  • Introduction to cloud computing
  • Understanding modern cloud-native applications
  • Modern DevOps versus traditional DevOps
  • The need for containers
  • Container architecture
  • Containers and modern DevOps practices
  • Migrating to containers from virtual machines

By the end of this chapter, you should understand the following key aspects:

  • What DevOps is and what role it plays in the modern IT landscape
  • What cloud computing is and how it has changed IT services
  • What a modern cloud-native application looks like and how it has changed DevOps
  • Why we need containers and what problems they solve
  • The container architecture and how it works
  • How containers contribute to modern DevOps practices
  • The high-level steps of moving from a virtual machine-based architecture to containers