Book Image

Kubernetes in Production Best Practices

By : Aly Saleh, Murat Karslioglu
Book Image

Kubernetes in Production Best Practices

By: Aly Saleh, Murat Karslioglu

Overview of this book

Although out-of-the-box solutions can help you to get a cluster up and running quickly, running a Kubernetes cluster that is optimized for production workloads is a challenge, especially for users with basic or intermediate knowledge. With detailed coverage of cloud industry standards and best practices for achieving scalability, availability, operational excellence, and cost optimization, this Kubernetes book is a blueprint for managing applications and services in production. You'll discover the most common way to deploy and operate Kubernetes clusters, which is to use a public cloud-managed service from AWS, Azure, or Google Cloud Platform (GCP). This book explores Amazon Elastic Kubernetes Service (Amazon EKS), the AWS-managed version of Kubernetes, for working through practical exercises. As you get to grips with implementation details specific to AWS and EKS, you'll understand the design concepts, implementation best practices, and configuration applicable to other cloud-managed services. Throughout the book, you’ll also discover standard and cloud-agnostic tools, such as Terraform and Ansible, for provisioning and configuring infrastructure. By the end of this book, you’ll be able to leverage Kubernetes to operate and manage your production environments confidently.

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Table of Contents (12 chapters)
Preface
Preface
Who this book is for
What this book covers
To get the most out of this book
Download the example code files
Code in Action
Download the color images
Conventions used
Get in touch
Reviews
1
Chapter 1: Introduction to Kubernetes Infrastructure and Production-Readiness
Chapter 1: Introduction to Kubernetes Infrastructure and Production-Readiness
The basics of Kubernetes infrastructure
Why Kubernetes is challenging in production
Kubernetes production-readiness
Kubernetes infrastructure best practices
Cloud-native approach
Summary
Further reading
Free Chapter
2
Chapter 2: Architecting Production-Grade Kubernetes Infrastructure
Chapter 2: Architecting Production-Grade Kubernetes Infrastructure
Understanding Kubernetes infrastructure design considerations
Exploring Kubernetes deployment strategy alternatives
Designing an Amazon EKS infrastructure
Summary
Further reading
3
Chapter 3: Provisioning Kubernetes Clusters Using AWS and Terraform
Chapter 3: Provisioning Kubernetes Clusters Using AWS and Terraform
Technical requirements
Implementation principles and best practices
Cluster deployment and rollout strategy
Preparing Terraform
Creating the network infrastructure
Creating the cluster infrastructure
Cleaning up and destroying infrastructure resources
Summary
Further reading
4
Chapter 4: Managing Cluster Configuration with Ansible
Chapter 4: Managing Cluster Configuration with Ansible
Technical requirements
Installing the required tools
Implementation principles
Kubernetes configuration management
Configuring the clusters
Destroying the cluster's resources
Summary
Further reading
5
Chapter 5: Configuring and Enhancing Kubernetes Networking Services
Chapter 5: Configuring and Enhancing Kubernetes Networking Services
Technical requirements
Introducing networking production readiness
Configuring Kube Proxy
Configuring the Amazon CNI plugin
Configuring CoreDNS
Configuring ExternalDNS
Configuring NGINX Ingress Controller
Deploying the cluster's network services
Destroying the cluster's resources
Summary
Further reading
6
Chapter 6: Securing Kubernetes Effectively
Chapter 6: Securing Kubernetes Effectively
Technical requirements
Securing Kubernetes infrastructure
Managing cluster access
Managing secrets and certificates
Securing workloads and apps
Ensuring cluster security and compliance
Bonus security tips
Deploying the security configurations
Destroying the cluster
Summary
Further reading
7
Chapter 7: Managing Storage and Stateful Applications
Chapter 7: Managing Storage and Stateful Applications
Technical requirements
Implementation principles
Understanding the challenges with stateful applications
Tuning Kubernetes storage
Choosing a persistent storage solution
Deploying stateful applications
Summary
Further reading
8
Chapter 8: Deploying Seamless and Reliable Applications
Chapter 8: Deploying Seamless and Reliable Applications
Technical requirements
Understanding the challenges with container images
Learning application deployment strategies
Scaling applications and achieving higher availability
Summary
Further reading
9
Chapter 9: Monitoring, Logging, and Observability
Chapter 9: Monitoring, Logging, and Observability
Technical requirements
Understanding the challenges with Kubernetes observability
Learning site reliability best practices
Monitoring, metrics, and visualization
Logging and tracing
Summary
Further reading
10
Chapter 10: Operating and Maintaining Efficient Kubernetes Clusters
Chapter 10: Operating and Maintaining Efficient Kubernetes Clusters
Technical requirements
Learning about cluster maintenance and upgrades
Preparing for backups and disaster recovery
Validating cluster quality
Summary
Further reading
Why subscribe?
11
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Preface

Kubernetes is an open source container orchestration platform originally developed by Google and made available to the public in 2014. The popularity of Kubernetes helped to make the deployment of container-based, complex, distributed systems simpler to manage for developers. Since its inception, the community has built a large ecosystem around Kubernetes, with many open source projects that have made the automation of management functions possible.

This book is specifically designed to quickly help Kubernetes administrators and site reliability engineers (SREs) to build and manage production-grade Kubernetes infrastructure following industry best practices and well-proven techniques learned from early technology adopters of large-scale Kubernetes deployments.

While we use Amazon Elastic Kubernetes Service (EKS) to deliver the practical exercises in this book, we believe that the explained Kubernetes design, provisioning, and configuration concepts and techniques remain valid for other cloud providers. Regarding the selection of provisioning and configuration tools, we decided to use cloud-agnostic tools such as Terraform and Ansible to ensure portability across cloud providers.

Kubernetes in Production Best Practices gives you the confidence to use Kubernetes to host your production workloads, having the comprehensive infrastructure design knowledge to build your clusters and a clear understanding of managing and operating them efficiently.

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