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Docker, Kubernetes, and Helm — Intuitively and Exhaustively Explained
An in-depth guide to the technologies powering modern application infrastructure
In this article, we’ll explore how sophisticated backend environments for complex applications can be efficiently managed and scaled using Docker, Kubernetes, and Helm.
From the highest level, Docker allows you to package your code into something called a “container”, a fully self-contained and portable unit of software that can be duplicated and run pretty much anywhere. Kubernetes allows you to manage how these containers are applied to resources at scale, coordinating them into complex, interrelated applications. Helm adds an additional layer of abstraction on top of Kubernetes by bundling these interconnected components into reusable, shareable packages called charts, making it far easier to develop and re-use complete systems.
When used together, these three technologies transform backend infrastructure into a modular system of building blocks that you can mix, match, scale, and rearrange with remarkable flexibility. This power of abstraction is why virtually every major organization uses the three technologies to manage their backend infrastructure.
