Getting Started With Kubernetes
Chapter 1: Kubernetes Fundamentals
What is Container Orchestration
Kubernetes Architecture: The Control Plane
Kubernetes Architecture: The Worker Node
The Role of kubectl
Declarative vs. Imperative Management
Setting Up a Local Kubernetes Cluster
Hands-on Practical: Cluster Inspection
Chapter 2: Managing Pods
The Pod Abstraction
Writing a Pod Manifest in YAML
Single-Container and Multi-Container Pods
The Pod Lifecycle
Using kubectl for Pod Operations
Health Probes: Liveness and Readiness
Practice: Deploying and Inspecting Pods
Chapter 3: Workload Management with Controllers
Introduction to Kubernetes Controllers
ReplicaSets for Pod Availability
Deployments for Application Rollouts
Defining a Deployment Manifest
Executing Deployment Updates and Rollbacks
Inspecting Deployment Status
Hands-on Practical: Creating and Updating Deployments
Chapter 4: Networking in Kubernetes
The Kubernetes Networking Model
Introduction to Services
Service Types: ClusterIP, NodePort, and LoadBalancer
Defining a Service Manifest
Service Discovery within the Cluster
Exposing Services with Ingress
Hands-on Practical: Exposing an Application
Chapter 5: Configuration and Persistent Storage
Managing Configuration with ConfigMaps
Handling Credentials with Secrets
Kubernetes Storage Concepts
PersistentVolumes and PersistentVolumeClaims
Attaching Volumes to Pods
Practice: Injecting Configuration and Mounting a Volume
Declarative vs. Imperative Management
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- Managing Kubernetes Objects, The Kubernetes Authors, 2024 - Explains the fundamental methods of interacting with Kubernetes resources, and includes background information on both imperative and declarative models.
- Declarative Management of Kubernetes Objects Using Configuration Files, The Kubernetes Authors, 2024 - Details the recommended declarative approach for managing Kubernetes objects, focusing on manifest files and kubectl apply.
- Kubernetes Up and Running: Dive into the Future of Infrastructure, Kelsey Hightower, Brendan Burns, and Joe Beda, 2019 (O'Reilly Media) - A comprehensive book covering Kubernetes, which discusses the principles and practical applications of declarative vs. imperative management.
- GitOps: A New Way to Deliver Software, Alexis Richardson, 2017 Weaveworks Blog (Weaveworks) - Introduces GitOps, a methodology built on declarative infrastructure and version control, which is presented as an important advantage in the section.