Devops-Tech

How Does a Kubernetes Ingress Controller Work? (A Deep Dive You Won’t Find in Most Blogs)

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🚀 Introduction When interviewing for Kubernetes or DevOps roles, one question almost always comes up:“How does a Kubernetes Ingress Controller work?” And yet, most candidates get it wrong. Why?Because they don’t differentiate between Ingress Resource and Ingress Controller, or understand how reverse proxy routing and service discovery actually tie together. In this article, we’ll fix … Read more

How to Design a Secure Air-Gapped DevOps Pipeline (Without Internet Access)

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✈️ Introduction In high-security environments — defense, pharma, and banking — DevOps pipelines often run in air-gapped networks where internet access is restricted or completely blocked. Yet these organizations still need continuous integration, delivery, and container management with the same speed and compliance as open environments. So the question is: 💭 Can you build a … Read more

From Jenkins to ArgoCD: Real Migration Lessons Nobody Writes About

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💡 Introduction When teams talk about migrating from Jenkins to ArgoCD, they often discuss the tools, not the transformation. You’ll find plenty of “how to install” guides — but almost no one writes about what really happens when you shift from pipelines to GitOps. In this blog, I’ll share real migration lessons learned during a … Read more

DevSecOps Mistakes Companies Never Admit: The Hidden Gaps That Break Security Pipelines

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🚨 Introduction: The Dirty Secret of “Secure” Pipelines Every company today says, “We do DevSecOps.”But the truth? Most only pretend. Security tools are integrated in name, but not in behavior.Scans run without being enforced, reports are ignored, and secrets float across pipelines like unsecured luggage in an airport. In real Indian enterprise environments — from … Read more

☁️ When the Cloud Stumbles: Deep Dive into the October 2025 AWS Outage — Real Impact, Root Cause, and How to Build for Resilience

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🚨 The Outage That Shook the Cloud Even the most reliable systems can stumble. On October 19–20, 2025, Amazon Web Services—arguably the backbone of the modern internet—experienced a widespread outage in its us-east-1 region.It began quietly: a few elevated error rates on DNS resolution and control-plane requests. Within minutes, that subtle tremor rippled outward, toppling … Read more

⚠️ Why Kubernetes Clusters Fail in Production More Than in Dev

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Real Lessons from Indian Enterprises and On-Prem Environments 🚀 Introduction If you’ve deployed Kubernetes clusters in any enterprise — especially on-prem or hybrid setups — you’ve seen this pattern: This blog dissects why this happens and how Indian companies (especially banks, pharma, and financial enterprises) can fix it. 1️⃣ Mismatch Between Dev and Prod Architecture … Read more

🚀 The Ultimate DevOps Toolchain: From Planning to Monitoring 🛠️

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DevOps isn’t just a buzzword—it’s a culture and set of practices that bring development and operations teams together for faster, more reliable software delivery. With dozens of tools available, knowing which tool fits where in the DevOps lifecycle is critical. Let’s explore each phase in the DevOps pipeline with the most popular tools you can … Read more

🌟 15 Open Source Projects That Changed The World 🌍

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Open source has revolutionized the way we build software, collaborate, and innovate. 🚀 From powering web apps to enabling cutting-edge machine learning, these projects have shaped the modern digital world. Here’s a deep dive into 15 legendary open-source projects that truly changed everything! 💻 Web Development Node.js Node.js, launched in 2009, brought JavaScript to the … Read more

🚀 7-Step Checklist to Optimize Docker Images for Performance and Security

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In the fast-paced world of DevOps, optimizing Docker images is crucial for ensuring efficient, secure, and rapid deployments. Bloated images can lead to longer build times, increased attack surfaces, and unnecessary resource consumption. Here’s a comprehensive guide to refining your Docker images, making them leaner and more secure.​ 1. 🏗️ Utilize Multi-Stage Builds Multi-stage builds … Read more

🚀 Building a Production-Grade DevSecOps Pipeline in Jenkins

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In modern software delivery, integrating security into your CI/CD pipeline is no longer optional — it is critical. DevSecOps pipelines aim to embed security at every stage, ensuring quality, compliance, and resilience. Let’s walk through a real Jenkins pipeline that exemplifies a fully-automated DevSecOps workflow, with each stage designed for code quality, vulnerability detection, and … Read more