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Build Your Own Docker

A container engine built from isolation primitives through images, distribution, runtime, storage, networking, orchestration, and production hardening.

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Foundations · Tutorial 1 of 40

What Problem Does Docker Solve?

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Full curriculum8 modules · 40 tutorials
01

Foundations

0/6 done

Understand the container-engine boundary, runtime layers, namespaces, cgroups, and layered security.

01
Tutorial 120 min

What Problem Does Docker Solve?

Learn What Problem Does Docker Solve? while evolving MiniDock, a complete container engine designed from first principles.

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02
Tutorial 220 min

Containers vs. Virtual Machines

Learn Containers vs. Virtual Machines while evolving MiniDock, a complete container engine designed from first principles.

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03
Tutorial 320 min

The Layered Runtime Architecture

Learn The Layered Runtime Architecture while evolving MiniDock, a complete container engine designed from first principles.

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04
Tutorial 420 min

Namespaces: The Walls

Learn Namespaces: The Walls while evolving MiniDock, a complete container engine designed from first principles.

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05
Tutorial 520 min

Cgroups: The Meters

Learn Cgroups: The Meters while evolving MiniDock, a complete container engine designed from first principles.

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06
Tutorial 620 min

The Security Sandwich

Learn The Security Sandwich while evolving MiniDock, a complete container engine designed from first principles.

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02

Images

0/7 done

Model image metadata, content-addressed layers, union filesystems, builds, caching, and local stores.

07
Tutorial 720 min

Anatomy of an Image

Learn Anatomy of an Image while evolving MiniDock, a complete container engine designed from first principles.

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08
Tutorial 820 min

Content Addressing

Learn Content Addressing while evolving MiniDock, a complete container engine designed from first principles.

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09
Tutorial 920 min

Union Filesystems

Learn Union Filesystems while evolving MiniDock, a complete container engine designed from first principles.

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10
Tutorial 1020 min

Building Images

Learn Building Images while evolving MiniDock, a complete container engine designed from first principles.

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11
Tutorial 1120 min

The Build Cache

Learn The Build Cache while evolving MiniDock, a complete container engine designed from first principles.

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12
Tutorial 1220 min

Multi-Stage Builds

Learn Multi-Stage Builds while evolving MiniDock, a complete container engine designed from first principles.

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13
Tutorial 1320 min

The On-Disk Stores

Learn The On-Disk Stores while evolving MiniDock, a complete container engine designed from first principles.

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03

Distribution

0/4 done

Design registry APIs, authenticated pull and push flows, references, deduplication, and garbage collection.

14
Tutorial 1420 min

Registry Architecture

Learn Registry Architecture while evolving MiniDock, a complete container engine designed from first principles.

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15
Tutorial 1520 min

Pull, End to End

Learn Pull, End to End while evolving MiniDock, a complete container engine designed from first principles.

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16
Tutorial 1620 min

Push and Dedup

Learn Push and Dedup while evolving MiniDock, a complete container engine designed from first principles.

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17
Tutorial 1720 min

Tags, References, and Garbage

Learn Tags, References, and Garbage while evolving MiniDock, a complete container engine designed from first principles.

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04

Runtime

0/7 done

Compose the container lifecycle, run path, copy-on-write behavior, supervision, streams, shutdown, and health.

18
Tutorial 1820 min

The Container Lifecycle

Learn The Container Lifecycle while evolving MiniDock, a complete container engine designed from first principles.

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19
Tutorial 1920 min

docker run: The Full Picture

Learn docker run: The Full Picture while evolving MiniDock, a complete container engine designed from first principles.

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20
Tutorial 2020 min

Copy-on-Write at Runtime

Learn Copy-on-Write at Runtime while evolving MiniDock, a complete container engine designed from first principles.

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21
Tutorial 2120 min

Supervision and Restart Policies

Learn Supervision and Restart Policies while evolving MiniDock, a complete container engine designed from first principles.

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22
Tutorial 2220 min

exec, attach, and logs

Learn exec, attach, and logs while evolving MiniDock, a complete container engine designed from first principles.

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23
Tutorial 2320 min

Stopping Gracefully

Learn Stopping Gracefully while evolving MiniDock, a complete container engine designed from first principles.

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24
Tutorial 2420 min

Health Checks

Learn Health Checks while evolving MiniDock, a complete container engine designed from first principles.

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05

Storage

0/3 done

Separate writable layers from durable mounts and design volume and storage-driver lifecycle boundaries.

25
Tutorial 2520 min

Volumes, Binds, tmpfs

Learn Volumes, Binds, tmpfs while evolving MiniDock, a complete container engine designed from first principles.

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26
Tutorial 2620 min

Volume Lifecycle and Drivers

Learn Volume Lifecycle and Drivers while evolving MiniDock, a complete container engine designed from first principles.

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27
Tutorial 2720 min

Storage Drivers

Learn Storage Drivers while evolving MiniDock, a complete container engine designed from first principles.

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06

Networking

0/6 done

Build container networking from endpoints and sandboxes through bridges, port publishing, DNS, drivers, and overlays.

28
Tutorial 2820 min

The Container Network Model

Learn The Container Network Model while evolving MiniDock, a complete container engine designed from first principles.

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29
Tutorial 2920 min

Bridge Networking

Learn Bridge Networking while evolving MiniDock, a complete container engine designed from first principles.

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30
Tutorial 3020 min

Publishing Ports

Learn Publishing Ports while evolving MiniDock, a complete container engine designed from first principles.

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31
Tutorial 3120 min

DNS and Service Discovery

Learn DNS and Service Discovery while evolving MiniDock, a complete container engine designed from first principles.

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32
Tutorial 3220 min

Host, None, and the Driver Seam

Learn Host, None, and the Driver Seam while evolving MiniDock, a complete container engine designed from first principles.

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33
Tutorial 3320 min

Overlay Networks

Learn Overlay Networks while evolving MiniDock, a complete container engine designed from first principles.

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07

Orchestration

0/4 done

Turn declarative application and service specifications into dependency-aware reconciled runtime state.

34
Tutorial 3420 min

Compose: Declarative Applications

Learn Compose: Declarative Applications while evolving MiniDock, a complete container engine designed from first principles.

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35
Tutorial 3520 min

Dependency Ordering

Learn Dependency Ordering while evolving MiniDock, a complete container engine designed from first principles.

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36
Tutorial 3620 min

Swarm Architecture

Learn Swarm Architecture while evolving MiniDock, a complete container engine designed from first principles.

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37
Tutorial 3720 min

Services, Tasks, and Reconciliation

Learn Services, Tasks, and Reconciliation while evolving MiniDock, a complete container engine designed from first principles.

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08

Production & Capstone

0/3 done

Add observability and production hardening, then assemble every MiniDock subsystem into one complete map.

38
Tutorial 3820 min

Events, Logs, and Metrics

Learn Events, Logs, and Metrics while evolving MiniDock, a complete container engine designed from first principles.

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39
Tutorial 3920 min

Hardening MiniDock

Learn Hardening MiniDock while evolving MiniDock, a complete container engine designed from first principles.

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40
Tutorial 4020 min

track: The Full Map

Learn track: The Full Map while evolving MiniDock, a complete container engine designed from first principles.

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