Course Outline
Module 1: Microservices Design
• Establishing Effective Microservice Boundaries
• Applying Domain Driven Design (DDD)
• Alternatives to Business Domain Boundaries (Volatility, Data, Technology, Organizational)
• Decomposing the Monolith
• Risks of Premature Decomposition
• Layer-Based Decomposition
• Leveraging Decomposition Patterns (Strangler Fig, Parallel Run, Feature Toggle)
• Addressing Data Decomposition Concerns (Performance, Integrity, Transactions)
Module 2: Optimizing Docker and the Runtime
• Selecting the Appropriate Base Image
• Minimizing Layer Count
• Implementing Multi-Stage Builds
• Image Optimization Techniques (e.g., sorting multi-line arguments)
• Maximizing Build Cache Utilization
• Pinning Image Versions for Stability
• Fine-Tuning Resource Allocation
• Adhering to Secure Container Practices
• Configuring Runtime for Optimal Performance
Module 3: Kubernetes & Release Strategies
Kubernetes Deployments Overview
• Executing an Initial Deployment
• Exploring Kubernetes Deployment Options
Executing Rolling Update Deployments
• Understanding the Rolling Update Mechanism
• Creating and Executing a Rolling Update
• Performing Deployment Rollbacks
Executing Canary Deployments
• Understanding Canary Deployment Principles
• Creating and Executing a Canary Deployment
Executing Blue-Green Deployments
• Understanding Blue-Green Deployment Strategies
• Creating and Executing a Blue-Green Deployment
Running Jobs and CronJobs
• Creating Job and CronJob Resources
Conducting Monitoring and Troubleshooting Activities
• Utilizing kubectl for Troubleshooting Techniques
Module 4: Automation & Operational Efficiency
Automating Common Kubernetes Tasks with Python
• Using Python for Administrative Operations in Kubernetes
• Defining Configuration Objects via Python
• Creating Deployment Objects using Python
• Monitoring Kubernetes Events with Python
• Scaling Deployments through Python Scripts
Understanding the Challenges of Automating Deployments
• Declarative Configuration in Kubernetes
• Maintaining Configuration Integrity
Implementing GitOps for Automated Deployments
• Core GitOps Principles
• Introduction to Flux
• Installing Flux onto a Kubernetes Cluster
Configuring Flux for Automated Deployments
• Setting Up Notifications
• Structuring the Source Repository
Managing Application Updates via Image Automation
• Updating Application Deployments with Flux
• Scanning Container Image Repositories for Tags
• Defining Policies for Latest Image Selection
• Configuring Flux to Perform Automatic Image Updates
Module 5: Observability & Root Cause Clarity
Kubernetes Logging and Tracing Capabilities
• The Importance of Logging and Tracing
• Accessing Kubernetes Logs
• Inspecting Pod and Container Logs
• Reviewing Control Plane Logs
• Monitoring Resource Usage for Nodes and Pods
Collecting and Analyzing Logs
• Log Aggregation Strategies
• Log Visualization Techniques
Distributed Tracing in Kubernetes
• Concept of Distributed Tracing
• Utilizing OpenTelemetry
• Tools for Distributed Tracing
• Instrumenting Applications
• Using Tracing Data to Identify Performance Issues
Monitoring with Prometheus and Grafana
• Key Observability Concepts
• Overview of Monitoring Tools
• Implementing Prometheus Instrumentation
Advanced Use Cases for Logging
• Log Processing
• Filtering and Enriching Logs
• Event Sourcing Patterns
Module 6: Cluster Crisis Simulation & Incident Response
• Identifying various failure types within cluster environments
• Simulating Node Failures
• Pod Eviction & Resource Exhaustion Scenarios
• Resolving Network Issues
• Handling DNS Failures and Application Timeouts
• Simulating API Server Outages
• Stress Testing with High Traffic for System Stability
• Addressing Storage Failures
• Correcting Configuration Errors
• Understanding Incident Reporting Procedures
Module 7: AI To support Troubleshooting
• Advantages of Generative AI for Kubernetes
• Architecture of the K8sGPT CLI
• Installing the K8sGPT CLI
• K8sGPT Commands and Usage Patterns
• Utilizing K8sGPT Analyzers (podAnalyzer, pvcAnalyzer, rsAnalyzer, etc.)
• Cluster Analysis with K8sGPT
• Investigating Real-Time Issues via K8sGPT
• Deploying the In-Cluster Operator for K8sGPT
Requirements
- Fundamental knowledge of the Linux command line
- Experience in application development or system administration
- Familiarity with container concepts (Docker)
- BASIC understanding of Kubernetes fundamentals (pods, deployments, services)
- General comprehension of software architecture (e.g., APIs, services)
Target audience:
- DevOps Engineers
- Site Reliability Engineers (SREs)
- Backend / Software Developers working with microservices
- Cloud Engineers and Platform Engineers
-
System Administrators transitioning to Kubernetes environments
Testimonials (2)
Craig was extremely involved in the training, always making sure we are paying attention, adapted the examples to our day-to-day activities and always provided an answer when asked, even if the information was not added in the presentation.
Ecaterina Ioana Nicoale - BOOKING HOLDINGS ROMANIA SRL
Course - DevOps Foundation®
High level of commitment and knowledge of the trainer
