Table of contents : Preface Who Should Read This Book Why We Wrote This Book Navigating This Book A Note on Kubernetes Releases Technology You Need to Understand Conventions Used in This Book Using Code Examples O’Reilly Online Learning How to Contact Us Acknowledgments 1. Getting Started with Kubernetes 1.1. Installing the Kubernetes CLI, kubectl 1.2. Installing Minikube to Run a Local Kubernetes Instance 1.3. Using Minikube Locally for Development 1.4. Starting Your First Application on Minikube 1.5. Using kind to Run Kubernetes Locally 1.6. Using Kubernetes in Docker Desktop 1.7. Switching kubectl Contexts 1.8. Switching Contexts and Namespaces Using kubectx and kubens 2. Creating a Kubernetes Cluster 2.1. Preparing a New Node for a Kubernetes Cluster 2.2. Bootstrapping a Kubernetes Control-Plane Node 2.3. Installing a Container Network Add-on for Cluster Networking 2.4. Adding Worker Nodes to a Kubernetes Cluster 2.5. Deploying the Kubernetes Dashboard 2.6. Accessing the Kubernetes Dashboard 2.7. Deploying the Kubernetes Metrics Server 2.8. Downloading a Kubernetes Release from GitHub 2.9. Downloading Client and Server Binaries 2.10. Using systemd Unit Files for Running Kubernetes Components 2.11. Creating a Kubernetes Cluster on Google Kubernetes Engine 2.12. Creating a Kubernetes Cluster on Azure Kubernetes Service 2.13. Creating a Kubernetes Cluster on Amazon Elastic Kubernetes Service 3. Learning to Use the Kubernetes Client 3.1. Listing Resources 3.2. Deleting Resources 3.3. Watching Resource Changes with kubectl 3.4. Editing Objects with kubectl 3.5. Asking kubectl to Explain Resources and Fields 4. Creating and Modifying Fundamental Workloads 4.1. Creating a Pod Using kubectl run 4.2. Creating a Deployment Using kubectl create 4.3. Creating Objects from File Manifests 4.4. Writing a Pod Manifest from Scratch 4.5. Launching a Deployment Using a Manifest 4.6. Updating a Deployment 4.7. Running a Batch Job 4.8. Running a Task on a Schedule Within a Pod 4.9. Running Infrastructure Daemons per Node 5. Working with Services 5.1. Creating a Service to Expose Your Application 5.2. Verifying the DNS Entry of a Service 5.3. Changing the Type of a Service 5.4. Deploying an Ingress Controller 5.5. Making Services Accessible from Outside the Cluster 6. Managing Application Manifests 6.1. Installing Helm, the Kubernetes Package Manager 6.2. Adding Chart Repositories to Helm 6.3. Using Helm to Install Applications 6.4. Inspecting the Customizable Parameters of a Chart 6.5. Overriding Chart Parameters 6.6. Getting the User-Supplied Parameters of a Helm Release 6.7. Uninstalling Applications with Helm 6.8. Creating Your Own Chart to Package Your Application with Helm 6.9. Installing Kompose 6.10. Converting Your Docker Compose Files to Kubernetes Manifests 6.11. Converting Your Docker Compose File to a Helm Chart 6.12. Installing kapp 6.13. Deploying YAML Manifests Using kapp 7. Exploring the Kubernetes API and Key Metadata 7.1. Discovering the Kubernetes API Server’s Endpoints 7.2. Understanding the Structure of a Kubernetes Manifest 7.3. Creating Namespaces to Avoid Name Collisions 7.4. Setting Quotas Within a Namespace 7.5. Labeling an Object 7.6. Using Labels for Queries 7.7. Annotating a Resource with One Command 8. Volumes and Configuration Data 8.1. Exchanging Data Between Containers via a Local Volume 8.2. Passing an API Access Key to a Pod Using a Secret 8.3. Providing Configuration Data to an Application 8.4. Using a Persistent Volume with Minikube 8.5. Understanding Data Persistency on Minikube 8.6. Storing Encrypted Secrets in Version Control 9. Scaling 9.1. Scaling a Deployment 9.2. Using Horizontal Pod Autoscaling 9.3. Automatically Resizing a Cluster in GKE 9.4. Automatically Resizing an Amazon EKS Cluster 10. Security 10.1. Providing a Unique Identity for an Application 10.2. Listing and Viewing Access Control Information 10.3. Controlling Access to Resources 10.4. Securing Pods 11. Monitoring and Logging 11.1. Accessing the Logs of a Container 11.2. Recovering from a Broken State with a Liveness Probe 11.3. Controlling Traffic Flow to a Pod Using a Readiness Probe 11.4. Protecting Slow-Starting Containers Using a Start-up Probe 11.5. Adding Liveness and Readiness Probes to Your Deployments 11.6. Accessing Kubernetes Metrics in the CLI 11.7. Using Prometheus and Grafana on Minikube 12. Maintenance and Troubleshooting 12.1. Enabling Autocomplete for kubectl 12.2. Removing a Pod from a Service 12.3. Accessing a ClusterIP Service Outside the Cluster 12.4. Understanding and Parsing Resource Statuses 12.5. Debugging Pods 12.6. Influencing a Pod’s Start-up Behavior 12.7. Getting a Detailed Snapshot of the Cluster State 12.8. Adding Kubernetes Worker Nodes 12.9. Draining Kubernetes Nodes for Maintenance 13. Service Meshes 13.1. Installing the Istio Service Mesh 13.2. Deploying a Microservice with an Istio Sidecar 13.3. Routing Traffic Using an Istio Virtual Service 13.4. Rewriting a URL Using an Istio Virtual Service 13.5. Installing the Linkerd Service Mesh 13.6. Deploying a Service into the Linkerd Mesh 13.7. Routing Traffic to a Service in Linkerd 13.8. Authorizing Traffic to the Server in Linkerd 14. Serverless and Event-Driven Applications 14.1. Installing the Knative Operator 14.2. Installing the Knative Serving Component 14.3. Installing the Knative CLI 14.4. Creating a Knative Service 14.5. Installing the Knative Eventing Component 14.6. Deploying a Knative Eventing Source 14.7. Enabling Knative Eventing Sources 14.8. Installing Event Sources from TriggerMesh 15. Extending Kubernetes 15.1. Compiling from Source 15.2. Compiling a Specific Component 15.3. Using a Python Client to Interact with the Kubernetes API 15.4. Extending the API Using Custom Resource Definitions A. Resources General Tutorials and Examples Index