CI/CD Development in Kubernetes - Skaffold
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Skaffold is an open-source Google Container tool that provides a toolkit for creating CI/CD pipelines for Kubernetes applications. It simplifies the process of building container images, pushing them to registries, and deploying them to Kubernetes clusters. Skaffold monitors source code changes and automatically builds, pushes, and deploys container images. It supports local development workflows as well as deployments to remote clusters. Skaffold improves developer productivity by separating business logic from platform operations management.
CI/CD Development in Kubernetes - Skaffold
- 1. CI/CD Development in Kubernetes - Skaffold
- 2. $whoami Suman Chakraborty - Senior Devops Engineer @SAP Labs Community member & Speaker - Docker Bangalore, Collabnix Tech Blogger on PaaS, Cloud-Native & Microservices https://www.linkedin.com/in/ schakraborty007/ @itsmesumanc
- 3. Current Challenges Developers creating Kubernetes-native applications spent a long time building and managing container images across registries, manually updating their Kubernetes manifests and redeploying their applications every time they made even the smallest code changes Working on building cloud-native application means one has to take care the complexity in managing the platform. Building a full-fledged CI/CD pipeline for local code testing is time-consuming and takes manual effort. Integrating custom modules/plugins to existing CI/CD workflow involves significant changes in pipeline steps that doubles the effort. Current local CI/CD management workflow doesn’t imitate experience close to production setup.
- 4. Introducing Skaffold Skaffold is an open-source Google Container tool, written in Golang (licensed under Apache 2.0) that provides a toolkit for creating CI/CD pipelines. Alpha version – 8th March,2018 Skaffold primarily simplifies the “build → deploy → refactor → repeat” cycle. Monitors the changes in the source code, starts an automatic process of building code into container images, pushes these images to the Docker registry and deploys them to the Kubernetes cluster while synchronizing files in source dir. Skaffold itself does not have cluster-side components, so you don’t need to configure Kubernetes to use it. Skaffold not only can run on local Kubernetes cluster (minikube,docker for desktop) but can build/push images locally with docker and run them on the remote clusters (such as GKE, EKS,etc). Supports debugging applications written in Java, Node.js, Python, Go. Currently in GA ( v1.0.0)
- 8. Why should we care for Skaffold !! Advantages : • Flexible workflows with testers/deployers/push strategies • Can also tag and push Docker images with customizable tagging • Built-in integrations with several builders/deployers • Can deploy with Helm or Kustomize or native Kubectl • Support for build profiles • Extensible • Overall improves developer productivity, separation of business logic from management platform operations. Disadvantages: • Might be overkill for simple applications. • Complex setup (limited to application complexity)
- 9. References https://github.com/GoogleContainerTools/skaffold https://skaffold.dev/docs/quickstart/ https://ahmet.im/blog/skaffold/