Chapter 13. Development Workflow
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In this chapter we’ll expand on the discussion in Chapter 12, turning our attention to the whole application life cycle, from local development to deploying updates to a Kubernetes cluster, including the tricky topic of database migrations. We’ll cover some tools that help you develop, test, and deploy your applications: Skaffold, Draft, Telepresence, and Knative. Once you’re ready to deploy your application to the cluster, you’ll learn about more complex deployments with Helm using hooks.
In Chapter 12 we looked at some tools to help you write, build, and deploy your Kubernetes resource manifests. That’s fine as far as it goes, but often when you’re developing an application that runs in Kubernetes, you want to be able to try things out and see changes instantly, without going through a full build-push-deploy-update loop.
Skaffold is an open source tool from Google designed to provide a fast local development workflow. It automatically rebuilds your containers as you develop locally, and deploys those changes to either a local or remote cluster.
You define your desired workflow in a skaffold.yaml file in your repository and run the
skaffold command-line tool to start the pipeline. As you make changes to files in ...