DevOps with Kubernetes

coverpage

Title Page

Copyright and Credits

DevOps with Kubernetes Second Edition

About Packt

Why subscribe?

Packt.com

Contributors

About the authors

About the reviewer

Packt is searching for authors like you

Preface

Who this book is for

What this book covers

To get the most out of this book

Download the example code files

Download the color images

Conventions used

Get in touch

Reviews

Introduction to DevOps

Software delivery challenges

Waterfall and static delivery

Agile and digital delivery

Software delivery on the cloud

Continuous integration

Continuous delivery

Configuration management

Infrastructure as code

Orchestration

The microservices trend

Modular programming

Package management

The MVC design pattern

Monolithic applications

Remote procedure call

RESTful design

Microservices

Automation and tools

Continuous integration tools

Configuration management tools

Monitoring and logging tools

Communication tools

The public cloud

Summary

DevOps with Containers

Understanding containers

Resource isolation

Linux containers

Containerized delivery

Getting started with containers

Installing Docker for Ubuntu

Installing Docker for CentOS

Installing Docker for macOS

The life cycle of a container

The basics of Docker

Layers images containers and volumes

Distributing images

Connecting containers

Working with a Dockerfile

Writing your first Dockerfile

The syntax of a Dockerfile

Organizing a Dockerfile

Multi-stage builds

Multi-container orchestration

Piling up containers

An overview of Docker compose

Composing containers

Summary

Getting Started with Kubernetes

Understanding Kubernetes

Kubernetes components

Master components

API server (kube-apiserver)

Controller manager (kube-controller-manager)

etcd

Scheduler (kube-scheduler)

Node components

Kubelet

Proxy (kube-proxy)

Docker

The interaction between the Kubernetes master and nodes

Getting started with Kubernetes

Preparing the environment

kubectl

Kubernetes resources

Kubernetes objects

Namespaces

Name

Label and selector

Annotation

Pods

ReplicaSet

Deployments

Services

ClusterIP

NodePort

LoadBalancer

ExternalName (kube-dns version >= 1.7)

Service without selectors