Join us

ContentUpdates and recent posts about k3d..
 Activity
@codechaintech started using tool Atlassian Bitbucket , 2 weeks, 4 days ago.
Link
@simme shared a link, 2 weeks, 5 days ago
Senior Engineering Manager, @canonical

Boring code is an organizational tell

Boring code is an organizational symptom, not an aesthetic failure. Co-change patterns in version control reveal team boundaries before any retrospective does; ownership concentration predicts defects better than code complexity metrics. With agents removing the friction that contained clever code accumulation, the incentive structures that produce boring code have never mattered more.

gradients
 Activity
@simme started using tool Ubuntu , 2 weeks, 5 days ago.
 Activity
@simme started using tool TypeScript , 2 weeks, 5 days ago.
 Activity
@simme started using tool Python , 2 weeks, 5 days ago.
 Activity
@simme started using tool PostgreSQL , 2 weeks, 5 days ago.
 Activity
@simme started using tool lxd , 2 weeks, 5 days ago.
 Activity
@simme started using tool Kubernetes , 2 weeks, 5 days ago.
 Activity
@simme started using tool K6 , 2 weeks, 5 days ago.
 Activity
@simme started using tool Juju , 2 weeks, 5 days ago.
k3d is an open-source utility designed to simplify running Kubernetes locally by wrapping K3s (Rancher’s lightweight Kubernetes distribution) inside Docker containers. Instead of creating virtual machines, k3d uses Docker as the execution layer, allowing developers to spin up multi-node Kubernetes clusters in seconds using minimal system resources.

k3d is especially popular for local development, CI pipelines, demos, and testing Kubernetes-native applications. It supports advanced setups such as multi-node clusters, load balancers, custom container registries, port mappings, and volume mounts, while remaining easy to tear down and recreate.

Because it uses K3s, k3d inherits a simplified control plane, bundled components, and reduced memory footprint compared to full Kubernetes distributions. This makes it ideal for developers who want a realistic Kubernetes environment without the overhead of tools like Minikube or full VM-based clusters.

k3d integrates cleanly with common Kubernetes workflows and tools such as kubectl, Helm, Skaffold, and Argo CD. It is frequently used to validate manifests, test Helm charts, and simulate production-like environments locally before deploying to cloud or on-prem clusters.