This four-day course is the first step in learning about Containers and Kubernetes Fundamentals and Cluster Operations. Through a series of lectures and lab exercises, the fundamental concepts of containers and Kubernetes are presented and put to practice by containerizing and deploying a two-tier application into Kubernetes.

By the end of the course, you should be able to meet the following objectives:

• • Build, test, and publish Docker container images
• • Become familiar with YAML files that define Kubernetes objects
• • Understand Kubernetes core user-facing concepts, including pods, services, and deployments
• • Use kubectl, the Kubernetes CLI, and become familiar with its commands and options
• • Understand the architecture of Kubernetes (Control plane and its components, worker nodes, and kubelet)
• • Learn how to troubleshoot issues with deployments on Kubernetes
• • Apply resource requests, limits, and probes to deployments
• • Manage dynamic application configuration using ConfigMaps and Secrets
• • Deploy other workloads, including DaemonSets, Jobs, and CronJobs
• • Learn about user-facing security using SecurityContext, RBAC, and NetworkPolicies

Anyone who is preparing to build and run Kubernetes clusters

1 Course Introduction

• • Introductions and objectives

2 Containers

• • What and Why containers
• • Building images
• • Running containers
• • Registry and image management

3 Kubernetes Overview

• • Kubernetes project
• • Plugin interfaces
• • Building Kubernetes
• • Kubectl CLI

4 Beyond Kubernetes Basics

• • Kubernetes objects
• • YAML
• • Pods, replicas, and deployments
• • Services
• • Deployment management
• • Rolling updates
• • Controlling deployments
• • Pod and container configurations

5 Kubernetes Networking

• • Networking within a pod
• • Pod-to-Pod Networking
• • Services to Pods
• • ClusterIP, NodePort, and LoadBalancer
• • Ingress controllers
• • Service Discovery via DNS

6 Stateful Applications in Kubernetes

• • Stateless versus Stateful
• • Volumes
• • Persistent volumes claims
• • StorageClasses
• • StatefulSets

7 Additional Kubernetes Considerations

• • Dynamic configuration
• • ConfigMaps
• • Secrets
• • Jobs, CronJobs

8 Security

• • Network policy
• • Applying a NetworkPolicy
• • SecurityContext
• • runAsUser/Group
• • Service accounts
• • Role-based access control

9 Logging and Monitoring

• • Logging for various objects
• • Sidecar logging
• • Node logging
• • Audit logging
• • Monitoring architecture
• • Monitoring solutions
• • Octant

10 Cluster Operations

• • Onboarding new applications
• • Backups
• • Upgrading
• • Drain and cordon commands
• • Impact of an upgrade to running applications
• • Troubleshooting commands
• • VMware Tanzu