How a Kubernetes Service Actually Works (and All 5 Types You Need)Why Services exist, what happens when you create one, the full request flow from curl to backend pod, and all five Service types with real use cases. Verified against kubernetes/kubernetes 1.36 source.May 5, 2026·12 min read
What Actually Happens When kube-scheduler Picks a Node (13 Stages Inside Kubernetes)Your pod has just been written to etcd. The API server returned 201 Created. The pod exists. But spec.nodeName is still empty, and that is the entire reason this post exists. A pod with no node is notApr 28, 2026·22 min read
Day 4: Breaking Isolation on Purpose - Volumes, Networks, and the Real World7 Days of Docker in 2026 — When Containers Need to Talk and Remember On Day 3, you built production-ready images with Dockerfiles, optimized layers, and mastered multi-stage builds. Every container yApr 27, 2026·16 min read
Day 3: Stop Writing Dockerfiles From Scratch7 Days of Docker (2026), by Saloni Narang, Docker Captain & CNCF Ambassador I'm a Docker Captain. I've reviewed many Dockerfiles, and I can tell you that every single Dockerfile tutorial on the interApr 24, 2026·15 min read
What Actually Happens When You Run kubectl run nginxSo you type kubectl run nginx --image nginx. One line, one pod. About a second later on a warm cluster, the pod is Running. But what actually happens behind the scenes? Let us walk through it, step byApr 24, 2026·16 min read
Day 2: Your Images Are a Supply Chain - and It's Probably Broken7 Days of Docker (2026) - by Saloni Narang, Docker Captain & CNCF Ambassador I'm a Docker Captain. I've seen hundreds of Docker tutorials explain images as "blueprints" or "templates" and then move oApr 23, 2026·11 min read
Day 1: What Actually Happens When You Type docker run7 Days of Docker (2026) — A Docker Captain's guide. Not your average tutorial. I'm a Docker Captain. I've seen many Docker tutorials on the internet. And they all start the same way: "Docker is like Apr 22, 2026·11 min read
