Book Image

Introduction to DevOps with Kubernetes

By : Onur Yılmaz, Süleyman Akba≈ü
Book Image

Introduction to DevOps with Kubernetes

By: Onur Yılmaz, Süleyman Akba≈ü

Overview of this book

Kubernetes and DevOps are the two pillars that can keep your business at the top by ensuring high performance of your IT infrastructure. Introduction to DevOps with Kubernetes will help you develop the skills you need to improve your DevOps with the power of Kubernetes. The book begins with an overview of Kubernetes primitives and DevOps concepts. You'll understand how Kubernetes can assist you with overcoming a wide range of real-world operation challenges. You will get to grips with creating and upgrading a cluster, and then learn how to deploy, update, and scale an application on Kubernetes. As you advance through the chapters, you’ll be able to monitor an application by setting up a pod failure alert on Prometheus. The book will also guide you in configuring Alertmanager to send alerts to the Slack channel and trace down a problem on the application using kubectl commands. By the end of this book, you’ll be able to manage the lifecycle of simple to complex applications on Kubernetes with confidence.
Table of Contents (11 chapters)

Secret Management

Security is usually a cumbersome topic for developers, but if it is not taken care of, it can result in severe consequences. Secret management is one of the building blocks for achieving a completely secure system in DevOps. It usually refers to techniques and tools for handling sensitive information (secrets) in a digital system. Any sensitive information could be treated as a secret. For example, these are some of the most commonly used secrets in DevOps:

  • API keys
  • Database passwords
  • TLS certificates

Secret management implies managing the life cycle of secrets, which includes creating, storing, consuming, and even disposing of them safely. Secrets can be managed using a secret management software, such as Hashicorp's Vault ( or Square's Keywhiz ( Although they can be helpful with some secret management practices, they can also bring unnecessary complexity to your...