Topic Hub

DevOps & Platform

CI/CD, GitOps, IaC, and the platform-engineering playbook.

GitOps with Argo and Flux, Terraform, GitHub Actions, platform engineering patterns, and the build/test/deploy pipeline that ships modern apps.

Start here

More on DevOps & Platform

Cover for How Kubernetes EndpointSlices Actually Work (and Why Endpoints Had to Die)
kubernetesdevopsMay 11, 2026

How Kubernetes EndpointSlices Actually Work (and Why Endpoints Had to Die)

A Service has no pod IPs in it. We covered that in the last post. So somewhere, something is keeping a list of every pod IP that matches the Service's…

Saiyam PathakSaiyam Pathak · 12 min
Read →
Cover for How a Kubernetes Service Actually Works (and All 5 Types You Need)
kubernetesserviceMay 5, 2026

How a Kubernetes Service Actually Works (and All 5 Types You Need)

A pod gets created. It gets an IP. Then it dies. A new pod replaces it. New IP. Now imagine you have ten pods of the same app, and they restart all the…

Saiyam PathakSaiyam Pathak · 13 min
Read →
Cover for Day 7: Ship It - and What Comes Next
dockersecurityMay 4, 2026

Day 7: Ship It - and What Comes Next

Your container runs as root and has 18 CVEs. A Docker Captain's guide to hardening, Scout policies, DHI, Sandboxes, and what comes after Docker.

Saloni NarangSaloni Narang · 13 min
Read →
Cover for Day 6: Run an LLM on Your Laptop - With Docker
aidockerApr 30, 2026

Day 6: Run an LLM on Your Laptop - With Docker

"Pull AI models from Docker Hub, run them locally with GPU acceleration, and build an AI-powered app

Saloni NarangSaloni Narang · 10 min
Read →
Cover for What Actually Happens When kube-scheduler Picks a Node (13 Stages Inside Kubernetes)
kubernetesdevopsApr 28, 2026

What Actually Happens When kube-scheduler Picks a Node (13 Stages Inside Kubernetes)

How kube-scheduler picks a node: 13 framework stages, 14 Filter plugins, 9 Score plugins, live preemption demo.

Saiyam PathakSaiyam Pathak · 22 min
Read →
Cover for What Actually Happens When You Run kubectl run nginx
kubernetesdevopsApr 24, 2026

What Actually Happens When You Run kubectl run nginx

Every step of what happens when you run kubectl run nginx on Kubernetes. From argv to etcd Raft, scheduler, CRI, CNI, runc, and PLEG.

Saiyam PathakSaiyam Pathak · 16 min
Read →
Cover for Day 1: What Actually Happens When You Type docker run
linuxdockerApr 22, 2026

Day 1: What Actually Happens When You Type docker run

Containers aren't VMs. They're Linux processes. A Docker Captain explains namespaces, cgroups, and how Docker really works on your Mac in 2026.

Saloni NarangSaloni Narang · 11 min
Read →
Cover for "SSH Into Your DGX Spark From Anywhere in the World Using Tailscale
kubernetesdevopsApr 7, 2026

"SSH Into Your DGX Spark From Anywhere in the World Using Tailscale

Learn how to set up Tailscale on your NVIDIA DGX Spark for secure SSH access from anywhere in the world.

Saiyam PathakSaiyam Pathak · 10 min
Read →
Cover for The Ingress NGINX Migration Just Got Easier: 119 Annotations, 3 Targets, Impact Ratings
kubernetesmigrationMar 30, 2026

The Ingress NGINX Migration Just Got Easier: 119 Annotations, 3 Targets, Impact Ratings

"Ingress NGINX was archived March 24, 2026. ing-switch maps all 119 NGINX annotations with

Saiyam PathakSaiyam Pathak · 10 min
Read →
Cover for Kubernetes v1.33: Key Features, Updates, and What You Need to Know
kubernetesdevopsJun 10, 2025

Kubernetes v1.33: Key Features, Updates, and What You Need to Know

"Kubernetes v1.33: Key Features, Updates, and What You Need to Know

Saiyam PathakSaiyam Pathak · 10 min
Read →
Cover for Best DevOps Tools 2025
technologykubernetesJan 13, 2025

Best DevOps Tools 2025

Best DevOps tools in 2025

Saloni NarangSaloni Narang · 6 min
Read →
Cover for Optimizing Kubernetes Costs: Balancing Spot and On-Demand Instances with Topology Spread Constraints
kubernetesdevopsSep 21, 2024

Optimizing Kubernetes Costs: Balancing Spot and On-Demand Instances with Topology Spread Constraints

Addressing high Kubernetes costs and inefficient pod distribution, this article reveals how balancing spot and on-demand instances with Topology Spread Cons

FacetsCloudFacetsCloud · 5 min
Read →
Show 61 more DevOps & Platform articles