Arjun MJ | DevOps, Kubernetes & Cloud Architecture

Why This Setup Matters Understanding Kubernetes deeply requires more than just using managed services like EKS or AKS. Setting up a cluster using kubeadm provides direct visibility into how control plane components, networking, and worker nodes interact. This guide walks through building a multi-node Kubernetes cluster locally using VMware , allowing you to simulate a production-like environment without incurring cloud costs. Architecture Overview 1 Control Plane Node 2 Worker Nodes Container Runtime (Docker / containerd) Pod Network (Calico / Flannel) Implementation Overview The setup process involves preparing virtual machines, installing required dependencies, initializing the control plane, and joining worker nodes to the cluster. Key Highlights Preparing VMware virtual machines for Kubernetes Installing container runtime and kubeadm Cluster initialization and node joining Networking configuration for node communication Cluster Verifi...

Project Type: Real-world DevOps Implementation Estimated Reading Time: 3–4 minutes 🚀 NodeJS CI/CD Pipeline (GitHub Actions + Docker + Kubernetes) Modern DevOps workflows rely heavily on CI/CD pipelines to automate application delivery. Instead of manual deployments, pipelines ensure that code is built, tested, and deployed consistently across environments. In this project, I implemented a complete end-to-end CI/CD pipeline using: GitHub Actions for automation Docker for containerization Kubernetes for orchestration --- 🧠 Why This Matters Understanding CI/CD at a practical level is critical for DevOps engineers. While managed tools simplify deployment, building a pipeline from scratch provides deeper insight into how systems interact in real-world environments. This setup demonstrates how code moves from a developer commit to a running application inside a Kubernetes cluster — a fundamental workflow in modern cloud-native architecture. --- 🏗️...