Platforms & theory
Containers
Docker, Kubernetes, and the space between.
- •150 XPDocker FundamentalsImage vs container. Layers, COW, Dockerfiles.
- •150 XPNamespaces & cgroupsWhat makes a container a container — and what it isn't.
- •150 XPPod AnatomyContainers grouped — sidecars, init containers, lifecycle.
- •150 XPKubernetes NetworkingServices, DNS, Ingress, and NetworkPolicy.
- •150 XPResources & Schedulingrequests vs limits, QoS, taints, and node selection.
- •200 XPImage Layers & BuildLayer caching, multi-stage, distroless, and BuildKit.
- •200 XPStorage & VolumesPVCs, CSI drivers, StatefulSets — the data lives outside the pod.
- •175 XPHelm & KustomizeTemplated charts vs strategic patches — and when to pick which.
- •200 XPService MeshSidecars, mTLS, traffic shaping — and when you don't need a mesh.