Docker & Kubernetes — Study Path Agent

Chapter 1

Foundations: containers, images, and Linux basics

1

Containers vs VMs; what namespaces/cgroups do (conceptual)

2

Processes, filesystems, and permissions (UID/GID, chmod/chown)

3

Networking basics: IP, ports, DNS, localhost vs 0.0.0.0

4

HTTP basics: requests, headers, health checks

5

YAML & CLI workflow basics (editing, env vars, quoting)

6

Container security basics: least privilege, capabilities, rootless concepts

Chapter 2

Docker essentials (build, run, ship)

7

Install & verify Docker; daemon vs CLI; contexts

8

Images & layers: pull/tag/save; registry concepts

9

Dockerfile fundamentals: FROM, RUN, COPY, CMD/ENTRYPOINT, WORKDIR

10

Build strategies: caching, multi-stage builds, minimal base images

11

Runtime configuration: ports, env vars, args, bind mounts vs volumes

Chapter 3

Kubernetes fundamentals (core concepts and API objects)

12

Cluster architecture: control plane, nodes, kubelet, scheduler (conceptual)

13

kubectl essentials: contexts, namespaces, get/describe/logs/exec

14

Workloads: Deployments, ReplicaSets, StatefulSets, DaemonSets, Jobs/CronJobs

15

Scheduling & resources: requests/limits, QoS, taints/tolerations, affinity

Chapter 4

Kubernetes networking & traffic management (practical)

16

Ingress basics: controllers, Ingress resources, TLS termination

17

NetworkPolicies: default-deny, allow rules, common pitfalls

18

CNI overview: what a CNI plugin does; common options (high-level)

Chapter 5

Kubernetes storage & state

19

Volumes in pods: emptyDir, hostPath (risks), projected volumes

20

Persistent storage: PV, PVC, StorageClass; dynamic provisioning

21

Backups & restore basics: snapshots vs file-level; recovery drills

Chapter 6

Operations, security, and delivery (production readiness)

22

Observability basics: logs, metrics, traces; common failure modes

23

RBAC & authn/authz: ServiceAccounts, Roles, RoleBindings; kubeconfig hygiene