From bare metal to containers — the complete history and internals of Docker, hands-on from the terminal up. Understand not just how to use it, but why every design decision was inevitable.
// Lessons
- 01→
The Bare Metal Struggle
- 02→
The Hypervisor Revolution
- 03→
The Tax of Virtualization
- 04→
The Birth of dotCloud
- 05→
Chroot: The Jail That Started It All
- 06→
Linux Namespaces: Lying to a Process
- 07→
Cgroups: Setting the Ceiling
- 08→
The Union File System
- 09→
The 2013 PyCon Demo
- 10→
The Client-Server Architecture
- 11→
Image vs. Container
- 12→
The Dockerfile Anatomy
- 13→
Layered Architecture: Docker Images Are Onions
- 14→
Copy-on-Write: Why Containers Start in Milliseconds
- 15→
Storage Drivers: Under the Hood
- 16→
Multi-Stage Builds and Dangling Images
- 17→
Docker Networking: The Bridge
- 18→
Host, None, and Macvlan Networking
- 19→
Volumes vs. Bind Mounts
- 20→
The Stateless Philosophy
- 21→
The Container Wars
- 22→
The OCI: Establishing Standards
- 23→
Runc and Containerd
- 24→
BuildKit: The Next-Gen Build Engine
- 25→
Docker Compose: The Microservices Orchestra
- 26→
The Manifest List: One Tag, Every Architecture
- 27→
Docker Security: Rootless Mode and Beyond
- 28→
Registry Internals: How Docker Hub Stores Your Bits