Certified Kubernetes Application Developer Training

This course introduces students to the fundamentals of Kubernetes to develop and deploy applications, focusing on preparing for the CKAD "Certified Kubernetes Application Developer" certification exam. Web Age is proud to be an Authorized Training Partner with The Linux Foundation, allowing us to provide Certification training and official certification classes.

Introduction Course Outline

Duration: 4 days (other options are available for those familiar with Kubernetes but want to focus on certification exam prep.)

Objectives

Prepare for the CKAD exam
Understand the Kubernetes principles
Work with basic Kubernetes operations
Deploy, monitor, and protect applications effectively on Kubernetes
Define YAML manifests for the main resource types of Pods, workload controllers, volumes, services & ingress controllers
Deploy stateless and stateful applications to take advantage of the high availability, orchestration, and scaling features of Kubernetes
Upgrade applications
Troubleshoot applications
Secure the platform through the use of role-based access controls & security policies
Perform platform extensions & monitoring
Prepare for the CKAD exam

Audience

This course is intended for those who need to understand Kubernetes concepts, with a particular focus on passing the CKAD certification exam.

Prerequisites

Be at ease working at the command line and using a command-line text editor, such as vi or nano
Familiarity with the basic container and Linux process concepts
Ability to connect using an ssh client (OpenSSH, Putty)

Outline for Certified Kubernetes Application Developer Training

Kubernetes Concepts
- Review of container concepts
- Why Pods? - comparison with containers, Pod principles
- Launching Pods, interacting with Pods (curl, exec, logs)
- Availability at scale with Kubernetes
- K101: Loose coupling, desired state, Namespaces, Pods, Controllers, Services
- Simplified scripted cluster Installation (using kubeadm)
- The networking model
- Kubeconfig file
Application deployment with Kubernetes
- Kubernetes Architecture
- Pods - init containers, multi-container design patterns
- Resource management
- Kubernetes API (API groups, explain, API access)
- Workload controllers
- Application Upgrades
- Storage: emptyDir, hostPath, PV/PVC, dynamic storage
- Config Maps: creation, utilisation, updates
- Secrets: creation, utilisation, updates
Tools & Extensions, Services, Observability
- Extending Kubernetes
  - Helm package manager, CRDs, Operators
- Exposing applications:
  - Services, Ingress Controllers
- ServiceMesh
Troubleshooting, security, cluster HA
- Troubleshooting
  - Application troubleshooting steps
  - Security
  - PodSecurityPolicies (deprecated), SecurityContext
  - API Server Request handling
  - Network policies
Taking the Exam