Docker fundamentals
Images, layers, containers, the union filesystem, and the Dockerfile instructions that actually matter.
Kubernetes fundamentals
Control plane, nodes, the reconciliation loop, and the core workload objects — Pod, ReplicaSet, Deployment, StatefulSet, DaemonSet, Job.
Kubernetes networking
The flat network model, Service types, kube-proxy, EndpointSlices, cluster DNS, Ingress, and NetworkPolicy.
Kubernetes storage
Volumes, PersistentVolumes, PersistentVolumeClaims, StorageClasses, dynamic provisioning, access modes, and CSI.
Kubernetes security basics
RBAC, ServiceAccounts, securityContext, Pod Security Admission, Secrets, and image supply-chain hygiene.
Helm basics
Charts, releases, values, templates, the Go template language, and the Helm commands you will actually run.