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Docker & Containers
Container internals, image building, and developer workflows.
Container runtimes, image building, multi-stage Dockerfiles, BuildKit, Compose, and the Docker ecosystem.
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Understanding How Containers Work Behind the Scenes
Containers provide a convenient way to deploy and run applications within their own isolated environment, eliminating the need to create separate virtual…
Anuj Chourasia · 5 min
Docker Networking Demystified
Docker has transformed the way developers build, ship, and run applications. Its networking capabilities are a key feature that allows containers to…
Saurav Rana · 10 min
Reducing Image Size using Multi-stage builds for a Go application
multi-stage docker builds
Krish Gupta · 5 min
Everything You Need to Know about Docker Compose
Docker Compose is a tool that allows us to containerize an entire app with just one file saving us from the tedious task of running multiple containers.
Hamees Sayed · 8 minMore on Docker & Containers

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 Narang · 13 min
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 Narang · 10 min
Day 5: Docker Compose - How Docker Actually Gets Used
7 Days of Docker in 2026 - From docker run Chaos to Declarative Stacks Nobody types docker run with 15 flags in real life. I’ve been learning and working…
Saloni Narang · 16 minDay 4: Breaking Isolation on Purpose - Volumes, Networks, and the Real World
7 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…
Saloni Narang · 15 minDay 3: Stop Writing Dockerfiles From Scratch
Stop writing Dockerfiles from scratch. A Docker Captain walks through docker init, layer caching, multi-stage builds, and docker debug for 2026.
Saloni Narang · 14 min
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 Pathak · 16 min
Day 2: Your Images Are a Supply Chain - and It's Probably Broken
7 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…
Saloni Narang · 10 min
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 Narang · 11 min
Ditch the Overheating Laptop: Supercharge Your Docker Workflow with Docker Offload
Running multiple Docker containers can slow down your laptop and drain your battery. In this blog, we explore Docker Offload — a game-changing feature
Saloni Narang · 5 min
Docker MCP Catalog: Finding the Right AI Tools for Your Project
This blog describes what Docker MCP is and how it
Saloni Narang · 6 min
Testing Docker AI's "Gordon" – How Smart Is It?
Testing Docker AI's "Gordon" – How Smart Is It?
Saloni Narang · 9 min
Understanding Docker Desktop: All-in-One Platform for Containers
This is a blog on docker desktop which discusses about how to use it's features
Saloni Narang · 6 minShow 25 more Docker & Containers articles
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