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

Managing stateful applications

Imagine you’re a librarian in a magical library. You have a bunch of enchanted books that store valuable knowledge. Each book has a unique story and is kept in a specific spot on the shelf. These books are like your “stateful applications,” and managing them requires extra care.

Managing stateful applications in the world of technology is like taking care of these magical books in your library.

Here’s how it works:

  • Stateful books: Some books in your library are “stateful.” This means they hold vital information that changes over time, such as bookmarks or notes from readers.
  • Fixed locations: Just as each book has a specific place on the shelf, stateful applications must also be in particular locations. They might need to be on certain machines or use specific storage to keep their data safe.
  • Maintaining inventory: You must remember where each book is placed. Similarly, managing stateful applications...