Docker & Kubernetes

Container vs VM, namespaces, cgroups, OCI

Docker daemon, CLI, containerd, images, containers

Multi-stage builds, layers, caching, best practices

Lifecycle, exec, logs, resource limits

Bridge, host, overlay, DNS, port mapping

Bind mounts, volumes, tmpfs, storage drivers

Multi-container apps, services, networks, depends_on

Image size, security scanning, layer optimization

Rootless, secrets, scanning, capabilities, seccomp

Control plane, etcd, API server, scheduler, kubelet

Pod lifecycle, init containers, probes, Jobs, CronJobs

ClusterIP, NodePort, LoadBalancer, DNS, NetworkPolicy

Configuration management, env vars, mounted volumes

PV, PVC, StorageClass, CSI, dynamic provisioning

ReplicaSets, rollout strategies, canary, blue-green

Stateful apps, ordered deployment, node-level agents

Ingress controllers, TLS, path-based routing

Roles, ClusterRoles, ServiceAccounts, PodSecurity

Charts, values, templating, release management

Prometheus, Grafana, EFK stack, metrics-server

HPA, VPA, Cluster Autoscaler, KEDA

GitOps, ArgoCD, GitHub Actions, image registries

Istio, Linkerd, sidecar proxy, traffic management

Troubleshooting, architecture decisions, trade-offs