Cookbook

The Kubernetes Cookbook is your collection of practical recipes and proven patterns for solving real-world Kubernetes challenges. Each recipe provides a complete, working solution with explanations, code examples, and best practices. Think of it as a recipe book for your Kubernetes kitchen—when you need to accomplish a specific task, you’ll find the ingredients and steps here.

What Are Recipes?

Recipes are step-by-step guides that solve specific problems or implement common patterns. Unlike tutorials that teach concepts, recipes focus on getting things done quickly and correctly. Each recipe includes:

  • Problem statement - What you’re trying to solve
  • Solution - Complete working code or configuration
  • Explanation - Why it works and how it works
  • Variations - Alternative approaches or extensions
  • Best practices - Tips and gotchas
graph LR A[Problem] --> B[Recipe] B --> C[Solution] C --> D[Working Code] D --> E[Explanation] E --> F[Best Practices] style A fill:#ffe1e1 style B fill:#fff4e1 style C fill:#e1f5ff style D fill:#e8f5e9 style E fill:#f3e5f5 style F fill:#fff4e1

Recipe Categories

Deployment Patterns

Recipes for deploying applications in different scenarios:

  • Blue-Green Deployments - Zero-downtime deployments with instant rollback
  • Canary Releases - Gradual traffic shifting for safe rollouts
  • Multi-Environment Deployments - Managing dev, staging, and production
  • Helm Chart Patterns - Reusable chart structures and best practices
  • Kustomize Overlays - Environment-specific configurations
  • Multi-Region Deployments - Distributing workloads across regions

Configuration Management

Recipes for managing application configuration:

  • ConfigMap Patterns - Different ways to use ConfigMaps
  • Secret Management - Secure secret handling and rotation
  • Environment Variables - Best practices for env var injection
  • Configuration Hot Reloading - Updating configs without pod restarts
  • Multi-Config Strategies - Combining multiple config sources

Networking & Services

Recipes for service discovery and networking:

  • Service Discovery Patterns - DNS-based and endpoint-based discovery
  • Ingress Configuration - Common ingress patterns and TLS setup
  • Network Policy Recipes - Implementing network segmentation
  • Load Balancing Strategies - Different approaches to traffic distribution
  • Service Mesh Integration - Connecting services with Istio, Linkerd

Storage & Data

Recipes for persistent storage and data management:

  • Dynamic Volume Provisioning - Setting up StorageClasses
  • Stateful Application Patterns - Running databases and stateful workloads
  • Backup Strategies - Automated backup solutions
  • Volume Migration - Moving data between storage backends
  • Shared Storage Patterns - ReadWriteMany volume usage

Security & RBAC

Recipes for securing your cluster and workloads:

  • RBAC Patterns - Common role and binding configurations
  • Pod Security Standards - Implementing security contexts
  • Network Policy Templates - Reusable network security rules
  • Secret Encryption - Encrypting secrets at rest
  • Service Account Patterns - Best practices for service accounts

Monitoring & Observability

Recipes for monitoring and troubleshooting:

  • Metrics Collection - Setting up Prometheus exporters
  • Log Aggregation - Centralized logging patterns
  • Health Check Patterns - Effective probe configurations
  • Alerting Rules - Common alert definitions
  • Tracing Setup - Distributed tracing configuration

Autoscaling & Performance

Recipes for optimizing resource usage:

  • HPA Configuration - Horizontal Pod Autoscaler patterns
  • VPA Setup - Vertical Pod Autoscaler recipes
  • Resource Optimization - Right-sizing requests and limits
  • Cluster Autoscaling - Node autoscaling patterns
  • Cost Optimization - Reducing resource waste

Troubleshooting Recipes

Quick solutions to common problems:

  • Pod Startup Issues - Debugging container startup failures
  • Network Connectivity - Diagnosing service communication problems
  • Storage Problems - Resolving volume mount issues
  • Scheduling Failures - Understanding why pods don’t schedule
  • Performance Issues - Identifying and fixing bottlenecks

GitOps & CI/CD

Recipes for automation and GitOps:

  • ArgoCD Application Patterns - Common application configurations
  • Flux Setup Recipes - GitOps automation patterns
  • CI/CD Integration - Connecting pipelines to Kubernetes
  • Multi-Repository Strategies - Managing complex GitOps setups
  • Automated Testing - Testing deployments in CI/CD

Multi-Cluster & Federation

Recipes for managing multiple clusters:

  • Cluster Federation - Cross-cluster deployment patterns
  • Multi-Cluster Networking - Connecting clusters
  • Centralized Management - Managing multiple clusters from one place
  • Disaster Recovery - Multi-cluster backup and restore

How to Use Recipes

  1. Find the right recipe - Browse by category or search for your specific problem
  2. Read the problem statement - Make sure it matches your scenario
  3. Copy and adapt - Use the code as a starting point, adapt to your needs
  4. Understand the explanation - Learn why it works, not just how
  5. Check best practices - Avoid common pitfalls

Recipe Format

Each recipe follows a consistent structure:

# Recipe: [Name]
# Problem: [What problem this solves]
# Solution: [Brief description]

# YAML or code example here

# Explanation:
# [Why this works and key concepts]

# Variations:
# [Alternative approaches]

# Best Practices:
# [Tips and gotchas]

Coming Soon

We’re continuously adding new recipes based on common questions and real-world scenarios. Upcoming recipes include:

  • Advanced scheduling patterns
  • Custom resource definition examples
  • Operator development patterns
  • Service mesh advanced configurations
  • Cloud provider-specific recipes

Contributing Recipes

Have a recipe that solved a tricky problem? Share it with the community! Good recipes:

  • Solve a real, common problem
  • Include complete, working examples
  • Explain the “why” not just the “how”
  • Include best practices and gotchas