Docker & Kubernetes — Learning Roadmap

From containerization basics to production orchestration.

Topics

#	Topic	Key Concepts
01	Docker Fundamentals	Images, containers, Docker Engine, architecture, Docker Desktop, CLI basics
02	Dockerfile & Images	FROM, RUN, COPY, CMD, ENTRYPOINT, multi-stage builds, .dockerignore, layer caching
03	Container Management	Run, stop, exec, logs, inspect, resource limits, restart policies
04	Networking	Bridge, host, overlay, port mapping, DNS resolution, container communication
05	Volumes & Storage	Named volumes, bind mounts, tmpfs, volume drivers, data persistence
06	Docker Compose	Multi-container apps, services, depends_on, networks, volumes, profiles, overrides
07	Registry & Images	Docker Hub, private registries (ECR, ACR, GCR), tagging strategies, image scanning
08	Docker Security	Non-root users, read-only filesystems, secrets, image scanning, security best practices
09	Kubernetes Fundamentals	Architecture (master/worker), Pods, kubectl, minikube, k3s, namespaces
10	Workloads	Deployments, ReplicaSets, StatefulSets, DaemonSets, Jobs, CronJobs
11	Services & Networking	ClusterIP, NodePort, LoadBalancer, Ingress, NetworkPolicies, DNS
12	Configuration & Secrets	ConfigMaps, Secrets, environment variables, sealed secrets, external secrets
13	Storage in K8s	PersistentVolumes, PersistentVolumeClaims, StorageClasses, CSI drivers
14	Helm & Package Management	Charts, templates, values, repositories, releases, hooks, chart development
15	Production Patterns	Health probes, HPA, resource quotas, rolling updates, blue-green, canary, GitOps