Linux for DevopsLinux is the foundational operating system of modern cloud infrastructure, containerization (Docker/Kubernetes), and CI/CD automation pipelines. Whether you are troubleshooting container logs, configu1Jul 28 · 11 min readpoonamap.hashnode.dev
The DevSecOps Guide to Threat Modeling: Fixing Flaws Before Writing CodeIn a traditional DevSecOps pipeline, security scanning tools like SAST, DAST, or dependency checkers only catch flaws after the code is already written. But what if the issue isn't a coding bug, but a1Jul 21 · 5 min readpoonamap.hashnode.dev
Demystifying Docker’s <none>:<none> Images When you rebuild an image after modifying its Dockerfile, or reuse an existing image name and tag, what do you think Docker does behind the scenes? It simply strips the repository name and tag from th2Jun 25 · 2 min readpoonamap.hashnode.dev
Debugging Docker at 3 AM: Production Horror Stories (And the Commands That Saved Me)1. The "No Space Left on Device" Nightmare The Problem: Your CI/CD pipeline or local host suddenly halts, claiming it run out of disk space, even though your app is tiny. Why it happens: Docker buil2Jun 24 · 3 min readpoonamap.hashnode.dev
