Start Kubernetes
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Start Kubernetes

The Beginner's Guide to Kubernetes

About the Book

This 230-page book is packed full of all the basic concepts and introductions into the more complex capabilities. And I’ve made it an exciting read with detailed explanations, colorful diagrams, practical examples, and more!

Why Kubernetes?

In recent years, Kubernetes has risen to become a leading platform for cloud-native technology. Its container orchestration capabilities have allowed for much smoother operation of applications.

Service Discovery & Load Balancing

Not only will your application adapt to any unfamiliar service discovery mechanism, but each Pod within the application will get its very own IP address that can be accessed with a single DNS. You can also load-balance across a group of Pods!


When needed, Kubernetes will automatically restart and reschedule containers to ensure a healthy flow of traffic through applications.

Configuration & Secret Management

You’ll never have to rebuild your applications in order to update your configuration settings or secrets.


Scale your application with a single command or sit back and allow the application to scale on auto-pilot based on your CPU usage.

Rollouts & Rollbacks

Piece by piece, introduce changes to your application and configuration that will allow for close monitoring and quick recovery in case of any failures

Storage Management

Quickly mount your desired storage system directly to the application; local, cloud-provider, network system, and more.

"All of these features sound great! But how hard is it to learn Kubernetes...?"

In short, Kubernetes likes to do things its own way. While mastering the platform is really just a matter of grasping a few concepts, it can feel overwhelming to the untrained eye.

Take, for example, the simple action of deploying and running an application inside Kubernetes. You have to:

  1. Launch a Deployment that represents your application
  2. Then, a ReplicaSet to control the Scaling
  3. Next, you need a Service and a DNS name to access the application
  4. Plus at least one or more Pods with containers
  5. AND FINALLY, you can set the Configuration and/or Secrets

That’s FIVE different processes that must work seamlessly to complete one simple action. And while it’s a dream for experienced users, Kubernetes also allows for tweaks and configurations to each of those steps that drastically change their entire behavior.

To the untrained user, this complexity can be too much to handle and the terminology is completely new!

I remember when I first started learning…

"What the heck is a Pod?!"

"Why do I need Deployments?"

"ReplicaSets, Ingress, Volumes, RBAC... What is all of this?!?"

I have created this book to flatten the learning curve of Kubernetes and make sure it can be a solid tool for anyone who needs it!

Who is this book for?

If you are a developer, system administrator, or solution architect who wants to make the transition into Kubernetes an absolute breeze, this course is your key to success. For the best results, we recommend users have a basic knowledge of Docker and how to run a container or build an image. But other than that, this book can take you from scratch to master!

After reading this book, you'll be able to:

  • Deploy & Run Containerized Applications
  • Perform Updates & Rollbacks
  • Use Kubernetes CLI to interact with Clusters
  • Understand All Kubernetes Resources & How to Use Them
  • Combine Multiple Containers Within a Pod
  • Configure Containers Using Secrets, Volumes & Configuration Maps
  • Run Stateful Applications
  • Scale Applications
  • Extend Kubernetes Using CRDs and Operators

About the Author

Peter Jausovec
Peter Jausovec

Peter Jausovec is a software engineer with more than ten years of experience in the field of software development and tech. During his career, he spent time in various roles, starting with QA then moving to software engineering and leading tech teams. His early career was mostly focused on developer and cloud tooling; however, in recent years he has been focusing on developing distributed systems cloud-native solutions.

Reader Testimonials

Gavin G.
Gavin G.

Just spent the weekend working through your "Getting started with Kubernetes" article and it was awesome, having known zero about Kubernetes previously. Keep up the good work, hope you do the other parts!

Ife S.
Ife S.

I read your article on Getting Started with Kubernetes and it was really super helpful. Thank you for taking the time out to write it. I've been trying to make the jump to DevOps engineer, learning Docker and Kubernetes but other tutorials can get so complicated and hard to understand. This one was particularly eay to read. Definitely waiting on subsequent parts of the article and the book.

Gopal A.
Gopal A.

"Getting started with Kubernetes" was the material I was looking for to get an introduction to k8s. Thanks.

Lorenzo L.
Lorenzo L.

Just started reading, and I'm already learning new stuff! Thanks for sharing, I am still at the beginning but it's really clear and useful.

Riccardo T.
Riccardo T.

I need to say that the part related to Services is very clear and easy. Super simple!

Table of Contents

  • 1. Getting Started
    • 1.1 What do I need to start with Kubernetes?
    • 1.2 Which cluster to use?
    • 1.3 What is container orchestration?
    • 1.4 Kubernetes vs. Docker
    • 1.5 Kubernetes vs. Docker Swarm
  • 2. Kubernetes Architecture
    • 2.1 Master nodes
    • 2.2 Worker nodes
  • 3. Kubernetes Resources
    • 3.1 Labels and Selectors
    • 3.2 Annotations
    • 3.3 Working with Pods
    • 3.4 Managing Pods with ReplicaSets
    • 3.5 Creating Deployments
    • 3.6 Accessing and Exposing Pods with Services
    • 3.7 Exposing Multiple Applications with Ingress
    • 3.8 Organizing Applications with Namespaces
    • 3.9 Jobs and CronJobs
  • 4. Configuration
    • 4.1 configuring Applications Through Arguments
    • 4.2 Creating and Using ConfigMaps
    • 4.3 Storing Secrets in Kubernetes
  • 5. Stateful Workloads
    • 5.1 What are Volumes?
    • 5.2 Persisting Data with Persistent Volumes and Claims
    • 5.3 Running Stateful Workloads with StatefulSets
  • 6. Organizing Containers
    • 6.1 Init Containers
    • 6.2 Sidecar Container Pattern
    • 6.3 Adapter Container Pattern
    • 6.4 Ambassador Container Pattern
  • 7. Application Health
    • 7.1 Application Liveness Probe
    • 7.2 Application Readiness Probe
    • 7.3 Application Startup Probe
  • 8. Security in Kubernetes
    • 8.1 What are Service Accounts?
    • 8.2 Using Role Based Access Control (RBAC)
    • 8.3 Security Contexts
    • 8.4 Pod Secuirty Policies (PSP)
    • 8.5 Network Policies
  • 9. Scaling and Resources
    • 9.1 Scaling and Autoscaling Pods
    • 9.2 Resource Requests and Limits
    • 9.3 Horizontal Scaling
    • 9.4 Resource Quotas
    • 9.5 Using Affinity, Taints, and Tolerations
  • 10. Extending Kubernetes
    • 10.1 Using Custom Resource Definitions (CRDs)
    • 10.2 Writing Kubernetes Operators
  • 11. Practical Kubernetes
    • 11.1 Using an Ingress Controller for SSL Termination

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