Build and Deploy Kubernetes Applications with Skaffold

Skaffold is an open-source, Apache 2.0-licensed command-line tool from Google that streamlines Kubernetes application development by automating container image builds, tagging, registry pushes, manifest updates, and deployments. It is designed for the local development “inner loop,” helping teams avoid repetitive manual Docker and Kubernetes configuration tasks while quickly reflecting source-code changes in local or remote clusters. Skaffold supports workflows involving Kubernetes manifests, Helm, CI/CD systems such as GitHub Actions and ArgoCD, and Google Cloud tooling including Cloud Code, GKE, and Cloud Run. A typical setup involves provisioning a local Kubernetes cluster with Rancher Desktop, installing Skaffold, creating Docker and Kubernetes configuration files, generating a skaffold.yaml configuration with skaffold init, and running skaffold dev to watch source files, rebuild and redeploy an application automatically. The example uses a Node.js Express service exposed through a Kubernetes LoadBalancer, demonstrating how changing an endpoint response triggers Skaffold to deploy the updated application without requiring manual image or manifest management.

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