⎈ Kubernetes Hub · by Deven Kalathiya

Master Kubernetes
the Right Way

Click any component in the Architecture to get full details, YAML, and linked interview Q&A. Topics, labs, and 30+ interview questions — all connected.

20+

Components

30+

Interview Q&A

5

Practice Labs

8

Topics

ARCHITECTURE

Click Any Component for Full Details

👤 You / DevOps Engineer

kubectl CLI · CI/CD Pipelines · Helm

click to learn about kubectl ↗

HTTPS · port 6443

⎈ KUBERNETES CLUSTER

CONTROL PLANE — Brain of the Cluster

API Server

port 6443 · REST

etcd

cluster state DB

Scheduler

assigns pods to nodes

Controller Mgr

reconcile loops

Cloud Controller

AWS / GCP / Azure

WORKER NODES — Where Your App Runs

⬡ Node 1 (VM / Physical)

kubelet

node agent

kube-proxy

iptables

🔧 CRI / containerd

container runtime

Running Pods

📦 app-1

📦 app-2

📦 app+sidecar

⬡ Node 2 (VM / Physical)

kubelet

node agent

kube-proxy

iptables

🔧 CRI / containerd

container runtime

Running Pods

📦 db-1

📦 cache-1

📦 worker-1

NETWORKING & LOAD BALANCING

ClusterIP

internal only

NodePort

node:30000-32767

LoadBalancer

cloud LB · ELB

Ingress

HTTP/S routing

CoreDNS

service discovery

NetworkPolicy

pod firewall

also inside the cluster

WORKLOAD RESOURCES

Pod

smallest unit

Deployment

stateless apps

ReplicaSet

replica count

StatefulSet

stateful · DB

DaemonSet

1 per node

Job / CronJob

batch tasks

HPA

auto-scaling

CONFIG, STORAGE & SECURITY

ConfigMap

app config

Secret

passwords · tokens

PersistentVol

storage resource

PVC

storage claim

StorageClass

dynamic prov

Namespace

isolation

RBAC

access control

ServiceAccount

pod identity

Click any component ↗ to open full details, YAML examples, and linked interview Q&A

📦 Component Layer

TOPICS

Topic-wise Deep Dives

INTERVIEW

30+ Interview Q&A

LABS

Hands-on Practice Labs

0 / 15 tasks

0%

⚡ Free practice: killercoda.com · play-with-k8s.com · Minikube

USE CASES

Practical Kubernetes Use Cases

Real-world scenarios that show why each K8s feature exists and how they fit together. Click any card to expand the full setup.

CHEATSHEET

kubectl Quick Reference

60+ commands grouped by category. Click any row to copy the command.