Kubernetes Cluster and Node Basics: Minikube, Kind, Kubeadm, and Managed Services(EKS/AKS/GKE)🚀
Think of Kubernetes as the orchestra conductor for your applications. It manages where, when, and how your apps (containers) run.
What Is Kubernetes?## What Is Kubernetes?¶
“Before transitioning to Kubernetes, let’s understand why it was necessary.”¶
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medium.com
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Kubernetes Architecture:## 𝐊𝐮𝐛𝐞𝐫𝐧𝐞𝐭𝐞𝐬(K8S) 𝐀𝐫𝐜𝐡𝐢𝐭𝐞𝐜𝐭𝐮𝐫𝐞¶
☸️ 𝐊𝐮𝐛𝐞𝐫𝐧𝐞𝐭𝐞𝐬 𝐀𝐫𝐜𝐡𝐢𝐭𝐞𝐜𝐭𝐮𝐫𝐞: 𝐊𝐞𝐲 𝐂𝐨𝐦𝐩𝐨𝐧𝐞𝐧𝐭𝐬 ☸️ Kubernetes, the leading container…
medium.com
🏗️ What is a Cluster?¶
🧠 Layman’s analogy:
Imagine a team of computers working together as one big system — that’s a Kubernetes cluster.
💡 Technical meaning:
A Kubernetes cluster is a group of nodes (machines) managed by Kubernetes where your applications run.
- It has one Master (Control Plane) that gives instructions.
- It has one or more Workers (Nodes) that follow the instructions and run your apps.
🧱 What is a Node?¶
🧠 Layman’s analogy:
A node is like a worker in a factory. Each worker (node) has the tools (CPU, memory, etc.) to do its job — which is running apps (containers).
💡 Technical meaning:
A node is a single machine (virtual or physical) in the Kubernetes cluster. It runs the actual pods (which contain your app containers).
There are 2 types of nodes:
- 🧠 Master Node (Control Plane): The brain — decides what runs where.
- 💪 Worker Node: The muscle — runs your applications (pods).
🔄 Putting It All Together:¶
Term Layman Explanation Technical Role Cluster A team of machines working together A group of nodes managed by Kubernetes Node A worker machine that does the actual work A physical or virtual machine that runs pods Master Node The team leader giving instructions Controls the cluster, schedules pods Worker Node The team members doing the work Executes pods and runs containers
🖼️ Real-Life Example:¶
You’re running a food delivery app like Swiggy.
- Cluster = The entire system managing the app (control + workers)
- Master Node = The manager who decides how many delivery agents (pods) are needed
- Worker Node = The delivery agents who actually deliver the food (run your app)
🧱 Types of Kubernetes Clusters You Can Deploy¶
🔧 Quick Use Cases¶
- ✅ Minikube: “I want to learn Kubernetes and test things on my laptop.”
- ✅ Kind: “I need to test Kubernetes resources in CI pipelines or develop locally using Docker.”
- ✅ Kubeadm: “I want full control to build my own Kubernetes cluster manually (on-prem or VM).”
- ✅ EKS / AKS / GKE: “I need a scalable, secure, and managed Kubernetes cluster in AWS for production workloads.”
1. Setup Kubernetes kubectl and Minikube on Ubuntu 22.04 LTS:## Setup Kubernetes kubectl and Minikube on Ubuntu 22.04 LTS¶
Kubernetes has become the go-to container orchestration platform for deploying, managing, and scaling containerized…
medium.com
2. Setting Up a Multi-Node Kubernetes Cluster with Kind## Setting Up a Multi-Node Kubernetes Cluster with Kind: A Comprehensive Guide¶
Introduction
medium.com
3. Kubeadm Setup for Ubuntu 24.04 LTS## Kubeadm Setup for Ubuntu 24.04 LTS¶
Demystifying Kubernetes Architecture:
medium.com
4. EKS Cluster Setup:## EKS Cluster Creation on Windows: Deploying Kubernetes Locally¶
Introduction:
medium.com
5. Google Kubernetes Engine (GKE) Cluster Setup and Deployment Guide:## Google Kubernetes Engine (GKE) Cluster Setup and Deployment Guide¶
In this guide, we will walk you through the process of creating a Google Kubernetes Engine (GKE) Standard Cluster…
medium.com
Hope you found this helpful!
If you have any related queries, feel free to reach out. I’d be happy to assist if I can. Stay connected! 🙂
If you enjoyed this post, a clap would be greatly appreciated.
GitHub: https://github.com/Subham966/
LinkedIn: https:// www.linkedin.com/in/subham-pradhan-31613a1a4
Happy automating and deploying! 🚀
DevOps Engineer | CI/CD | K8S | Docker | Jenkins | Ansible | Git | Terraform | ArgoCD |Helm|Prometheus|Grafana|SonarQube|Trivy|Azure| Data Engineer| DevSecOps |
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