Kubernetes Is Not a Container Platform (And That Changes Everything)

Source: Dev.to | Jan 10, 2026 (UTC)

Most people learn Kubernetes backwards.
We start with:

• Pods
• Deployments
• Helm charts
• Copy-pasting YAML

But Kubernetes was never designed to be “a container orchestrator”.

It was designed as:

An extensible, declarative API backed by control loops.

The Core Idea

Kubernetes works like this:

• You declare desired state (YAML / JSON)
• The API server stores it
• Controllers continuously reconcile reality to match it
• Nothing “runs” just because YAML exists.
• Controllers do the work.

Why CRDs Exist

Kubernetes only knows built-in types:
Pods, Services, Nodes, etc.

CRDs let you say:
“Here is a new type of thing Kubernetes should understand.”

Example:

kind: Backup

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