K3d
k3d is a command-line tool for running lightweight k3s Kubernetes clusters inside Docker containers.
Server-Side WebAssembly
k3d is a lightweight command-line tool for running local Kubernetes clusters in Docker containers.
- How it is used
- Provides a local Kubernetes cluster for developing and testing SpinKube deployments.
- How deep it goes
- Explains cluster creation and its Spin runtime, port, and agent-node configuration without detailing k3d internals.
- Examples
- Demonstrates creating wasm-cluster with a Spin-enabled image, port 8081 mapping, and two agent nodes.
- What you can do after
- Operate/configure a local two-agent Kubernetes cluster ready for Spin-based Wasm workloads.
Learn Docker in a Month of Lunches, Second Edition
k3d is a lightweight command-line tool for running k3s Kubernetes clusters inside Docker containers.
- How it is used
- Uses Docker-backed k3s clusters to test Kubernetes deployments near the end of a CI/CD pipeline.
- How deep it goes
- Explains containerized nodes, multi-node testing, and workflow integration, but defers local installation and detailed argument meanings.
- Examples
- Demonstrates a one-node ch16 cluster created by GitHub Actions and selected through the k3d-ch16 kubectl context.
- What you can do after
- Operate/configure a temporary Kubernetes test cluster through a GitHub Action and kubectl.
Read how Learn Docker in a Month of Lunches, Second Edition explains k3d →
Distributed Machine Learning Patterns
A lightweight command-line wrapper for running k3s clusters in Docker.
- How it is used
- Bootstraps local Kubernetes clusters for development workflows requiring Kubernetes.
- How deep it goes
- Explains the wrapper’s role and demonstrates cluster creation, node inspection, namespaces, and subsequent Pod operations.
- Examples
- Uses a distml cluster, node listings, the basics namespace, and a whalesay Pod.
- What you can do after
- Operate a local k3s cluster through k3d and inspect it with kubectl.
Read how Distributed Machine Learning Patterns explains k3d →
Related concepts
- K3suses · K3s is a lightweight, certified Kubernetes distribution designed to reduce resource consumption and dependencies in constrained, edge, IoT, or small-scale environments.
- Dockeruses · Docker is a platform and ecosystem for building, distributing, and running applications in containers.
- GitHub actionused by · A GitHub Action is a reusable automation component that performs a task within a GitHub Actions workflow.
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