Welcome to our comprehensive Kubernetes tutorial, where we dive into the world of container orchestration and guide you through the process of mastering Kubernetes, a powerful open-source platform for automating the deployment, scaling, and management of containerized applications. Whether you’re new to Kubernetes or looking to expand your knowledge, this tutorial will equip you with the skills needed to effectively leverage Kubernetes for managing complex application environments.
What You’ll Learn
In this tutorial, we cover the following key aspects of Kubernetes:
Introduction to Container Orchestration: Gain a solid understanding of container orchestration and its role in managing large-scale containerized applications. Learn about the benefits of using Kubernetes to automate application deployment, scaling, and resilience.
Installing and Configuring Kubernetes: Follow step-by-step instructions to install and set up a Kubernetes cluster. Learn about different deployment options, such as using a managed Kubernetes service or setting up a cluster on your own infrastructure. Understand the Kubernetes architecture and the components that make up a Kubernetes cluster.
Deploying Applications: Explore techniques for deploying applications in Kubernetes. Learn how to create Kubernetes deployment manifests, define containers and their configurations, and manage application deployments using Kubernetes resources. Understand concepts like pods, services, and replica sets.
Scaling and Load Balancing: Dive into the scaling capabilities of Kubernetes. Learn how to scale applications horizontally and vertically to handle varying workloads. Understand how Kubernetes performs load balancing across multiple instances of an application for improved performance and availability.
Service Discovery and Networking: Explore Kubernetes networking concepts. Learn how services enable communication between different components of your application. Understand how to expose services to external traffic and implement service discovery within the cluster.
Configuring Storage: Discover how Kubernetes manages storage for your applications. Learn about persistent volumes and persistent volume claims, and how they provide durable storage for stateful applications. Understand different storage classes and their configurations.
Managing Deployments and Updates: Explore strategies for managing deployments and updates in Kubernetes. Learn about rolling updates, blue-green deployments, and canary deployments. Understand how to control and monitor the rollout of updates to ensure minimal disruption to your application.
Monitoring and Logging: Understand how to monitor and gain insights into your Kubernetes cluster and applications. Learn about Kubernetes monitoring tools and techniques for collecting metrics and logs. Explore integration with popular monitoring and logging solutions.
Throughout this tutorial, we provide practical examples, command-line instructions, and tips to help you become proficient in Kubernetes. We aim to empower you with the knowledge and skills to effectively manage and scale containerized applications using Kubernetes.
By the end of this tutorial, you will have a comprehensive understanding of Kubernetes, enabling you to confidently leverage its power to orchestrate and manage complex application environments.
Chapter 1 : Understanding Kubernetes Architecture
In this section you will build together the foundation necessary to utilize Kubernetes to its full potential.
You will start by understanding what Kubernetes is, what Kubernetes isn’t, and what container orchestration means exactly.
Chapter 2 : Creating Kubernetes Clusters
In this section you will roll up our sleeves and build some Kubernetes clusters using minikube, KinD, and k3d.
You will learn and evaluate other tools such as Kubeadm, Kube-spray, bootkube, and stackube. You will also look into deployment environments such as local, cloud, and bare metal.
Chapter 3 : High Availability and Reliability
This section explores how Kubernetes works at a high level, including concepts like service meshes, load balancing, and horizontal pod autoscaling.
In addition, you will explore how Kubernetes handles failures and how it ensures reliability.
Chapter 4 : Securing Kubernetes
In this section, You will learn to how to secure Kubernetes clusters. You will review different authentication methods, access control lists (ACLs), and encryption options.
You will also discuss how to protect against common attacks such as DDoS and SQL injection.
Chapter 5 : Using Kubernetes Resources and Managing Storage
This section covers how to work with Kubernetes resources such as deployments, services, nodes, pods, containers, volumes, secrets, ingresses, and certificates.
You will also examine how to manage storage using persistent volume claims, persistent volume mounts, and persistent volume snapshots.
Chapter 6 : Running Stateful Applications with Kubernetes
In this section, you will walk through deploying stateful applications using Kubernetes.
You will learn topics such as running stateful applications in Kubernetes, scaling stateful applications, and rolling updates of stateful applications.
Chapter 7 : Packaging Applications
In this section, you will learn how to package applications for distribution in Kubernetes.
This includes building Docker images, creating Helm charts, and packaging applications for distribution.
Chapter 8 : Exploring Advanced Networking
In this section, you will learn how to configure advanced networking features such as network policies, virtual networks, and overlay networks.
Chapter 9 : Running Kubernetes on multiple clouds and cluster federation
In this section, you will explore how to run Kubernetes across multiple clouds and federate clusters.
You will look at examples of running Kubernetes on AWS, Azure, Google Cloud Platform, Digital Ocean, and OpenStack.
Chapter 10 : Serverless Computing on Kubernetes
In this section, you will learn how to use serverless computing with Kubernetes.
You will get to know how to deploy functions using Serverless Framework and integrate them with your existing application.
Chapter 11 : Monitoring Kubernetes Clusters
This section provides monitoring Kubernetes clusters from both an operational perspective and a security perspective.
You will learn metrics available for each component of Kubernetes and how to collect these metrics. We will also discuss ways to monitor Kubernetes clusters for performance issues or outages.
Chapter 12 : Utilizing Service Meshes and Extending Kubernetes
Service Mesh is a collection of technologies that enable the creation of highly available and scalable microservices architectures.
It enables developers to create resilient distributed systems by providing mechanisms for fault tolerance and automatic failover. In this section, you will understand what a service mesh is, why they are useful, and how to implement one within Kubernetes.