Course Modules

The course is divided into 8 modules, each building on the previous.

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Module Overview

Module	Topic	Duration
Module 1	Kubernetes Architecture Deep Dive	5-6 hours
Module 2	Introduction to Operators	5-6 hours
Module 3	Building Custom Controllers	6-7 hours
Module 4	Advanced Reconciliation Patterns	6-7 hours
Module 5	Webhooks and Admission Control	5-6 hours
Module 6	Testing and Debugging	5-6 hours
Module 7	Production Considerations	5-6 hours
Module 8	Advanced Topics and Real-World Patterns	5-6 hours

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Learning Path

graph LR
    M1[Module 1<br/>Architecture] --> M2[Module 2<br/>Operators Intro]
    M2 --> M3[Module 3<br/>Controllers]
    M3 --> M4[Module 4<br/>Advanced Patterns]
    M4 --> M5[Module 5<br/>Webhooks]
    M5 --> M6[Module 6<br/>Testing]
    M6 --> M7[Module 7<br/>Production]
    M7 --> M8[Module 8<br/>Advanced Topics]
    
    style M1 fill:#dbeafe,stroke:#2563eb,color:#1e40af
    style M2 fill:#dbeafe,stroke:#2563eb,color:#1e40af
    style M3 fill:#dbeafe,stroke:#2563eb,color:#1e40af
    style M4 fill:#dbeafe,stroke:#2563eb,color:#1e40af
    style M5 fill:#dbeafe,stroke:#2563eb,color:#1e40af
    style M6 fill:#dbeafe,stroke:#2563eb,color:#1e40af
    style M7 fill:#dbeafe,stroke:#2563eb,color:#1e40af
    style M8 fill:#dbeafe,stroke:#2563eb,color:#1e40af

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Module Details

Module 1: Kubernetes Architecture Deep Dive

Understand how Kubernetes works under the hood.

• Control plane components and their interactions
• API machinery and how it operates
• The controller pattern and reconciliation loops
• Custom Resource Definitions (CRDs)

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Module 2: Introduction to Operators

Learn the operator pattern and build your first operator.

• What operators are and when to use them
• Kubebuilder fundamentals
• Setting up your development environment
• Building your first operator

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Module 3: Building Custom Controllers

Master the controller-runtime library.

• Controller runtime deep dive
• Designing your API
• Reconciliation logic
• Client-go operations

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Module 4: Advanced Reconciliation Patterns

Handle complex scenarios with advanced patterns.

• Conditions and status management
• Finalizers and cleanup
• Watching and indexing
• State machines and advanced patterns

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Module 5: Webhooks and Admission Control

Implement admission webhooks.

• Admission control fundamentals
• Validating webhooks
• Mutating webhooks
• Webhook deployment

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Module 6: Testing and Debugging

Test and debug your operators.

• Testing fundamentals
• Unit testing with envtest
• Integration testing
• Debugging and observability

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Module 7: Production Considerations

Prepare your operator for production.

• Packaging and distribution
• RBAC and security
• High availability
• Performance and scalability

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Module 8: Advanced Topics and Real-World Patterns

Master advanced operator patterns.

• Multi-tenancy and namespace isolation
• Operator composition
• Stateful application management
• Real-world patterns and best practices

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Each module includes lessons, hands-on labs, and complete solutions.