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Container internals, image building, and developer workflows.

Container runtimes, image building, multi-stage Dockerfiles, BuildKit, Compose, and the Docker ecosystem.

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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
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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
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Cover for Day 5: Docker Compose - How Docker Actually Gets Used
dockerdocker-composeApr 28, 2026

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 NarangSaloni Narang · 16 min
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Cover for Day 4: Breaking Isolation on Purpose - Volumes, Networks, and the Real World
dockerdocker-imagesApr 27, 2026

Day 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 NarangSaloni Narang · 15 min
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Cover for Day 3: Stop Writing Dockerfiles From Scratch
dockerdockerfileApr 24, 2026

Day 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 NarangSaloni Narang · 14 min
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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
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Cover for Day 2: Your Images Are a Supply Chain - and It's Probably Broken
dockeropensourceApr 23, 2026

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 NarangSaloni Narang · 10 min
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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
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Cover for Ditch the Overheating Laptop: Supercharge Your Docker Workflow with Docker Offload
aicloudAug 26, 2025

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 NarangSaloni Narang · 5 min
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Cover for Docker MCP Catalog: Finding the Right AI Tools for Your Project
aidockerJun 26, 2025

Docker MCP Catalog: Finding the Right AI Tools for Your Project

This blog describes what Docker MCP is and how it

Saloni NarangSaloni Narang · 6 min
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Cover for Testing Docker AI's "Gordon" – How Smart Is It?
aidockerFeb 21, 2025

Testing Docker AI's "Gordon" – How Smart Is It?

Testing Docker AI's "Gordon" – How Smart Is It?

Saloni NarangSaloni Narang · 9 min
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Cover for Understanding Docker Desktop: All-in-One Platform for Containers
dockerkubernetesJan 31, 2025

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 NarangSaloni Narang · 6 min
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