Kubernetes, Docker, Terraform, Linux, and system design — field notes from someone working toward the CKA.
What a Pod is under the hood, why it exists, and how Linux namespaces make it all possible.
Understand how Docker and the Linux kernel use cgroups and namespaces to isolate processes, network, users, filesystem, and resources within containers.
What a Pod is under the hood, why it exists, and how Linux namespaces make it all possible.
How to use multi-stage builds to separate build from runtime and drastically reduce the size of your images.
What Terraform state is, why it should never live on your machine, and how to configure a remote backend with locking.
Understand Dockerfile, image, container, and configurations using a simple franchise analogy.