MICRO-COURSE

How Docker Works

How Docker Works: 13 short lessons, one for each concept. Images and layers, union filesystems, dockerfile instructions, the build cache, containers and virtual machines, Linux namespaces, control groups, container networking, volumes and bind mounts, registries, multi-stage builds, Docker Compose, and image scanning.

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RECORDED WALKTHROUGHHow Docker WorksNo recording published yet

01 / WATCH

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02 / UNDERSTAND

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Images and layers, union filesystems, dockerfile instructions, the build cache, containers and virtual machines, Linux namespaces, control groups, container networking, volumes and bind mounts, registries, multi-stage builds, Docker Compose, and image scanning.

This is a learning outline. A complete worked tutorial has not been published for this topic yet.

Concept scope

03 / TRY IT

Prepare a focused example

Choose one question about How Docker Works that you want to answer.
Write down a small example, its inputs or starting point, and the result you expect.
Explain your reasoning and note what you would like reviewed in a live or 1:1 session.

Keep your work

A short example, reasoning and an open question

Check your understanding

Explain the concept in your own words and identify where it fits in the subject.
Show one small example, the expected result and the reasoning behind it.
Record one limitation or edge case and a question to discuss with a mentor.

04 / LEARN WITH HELP

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CONTINUE WITH ONE CONCEPT

Explore 13 focused topics.

Each topic opens its own micro-course, with its learning guide, recording status and session requests.

13 results1–12

Lesson

Images and layers

A short lesson on images and layers from the How Docker Works micro course: what it is, where it shows up in real systems, and a practical example you can apply.

Open lesson

Lesson

Union filesystems

A short lesson on union filesystems from the How Docker Works micro course: what it is, where it shows up in real systems, and a practical example you can apply.

Open lesson

Lesson

Dockerfile instructions

A short lesson on dockerfile instructions from the How Docker Works micro course: what it is, where it shows up in real systems, and a practical example you can apply.

Open lesson

Lesson

The build cache

A short lesson on the build cache from the How Docker Works micro course: what it is, where it shows up in real systems, and a practical example you can apply.

Open lesson

Lesson

Containers and virtual machines

A short lesson on containers and virtual machines from the How Docker Works micro course: what it is, where it shows up in real systems, and a practical example you can apply.

Open lesson

Lesson

Linux namespaces

A short lesson on Linux namespaces from the How Docker Works micro course: what it is, where it shows up in real systems, and a practical example you can apply.

Open lesson

Lesson

Control groups

A short lesson on control groups from the How Docker Works micro course: what it is, where it shows up in real systems, and a practical example you can apply.

Open lesson

Lesson

Container networking

A short lesson on container networking from the How Docker Works micro course: what it is, where it shows up in real systems, and a practical example you can apply.

Open lesson

Lesson

Volumes and bind mounts

A short lesson on volumes and bind mounts from the How Docker Works micro course: what it is, where it shows up in real systems, and a practical example you can apply.

Open lesson

Lesson

Registries

A short lesson on registries from the How Docker Works micro course: what it is, where it shows up in real systems, and a practical example you can apply.

Open lesson

Lesson

Multi-stage builds

A short lesson on multi-stage builds from the How Docker Works micro course: what it is, where it shows up in real systems, and a practical example you can apply.

Open lesson

Lesson

Docker Compose

A short lesson on Docker Compose from the How Docker Works micro course: what it is, where it shows up in real systems, and a practical example you can apply.

Open lesson

How Docker Works

Recorded video

Start with the topic guide.

Concept scope

Prepare a focused example

Check your understanding

Need a walkthrough?Stay with this topic.

Request a live session for this topic.

Explore 13 focused topics.

Images and layers

Union filesystems

Dockerfile instructions

The build cache

Containers and virtual machines

Linux namespaces

Control groups

Container networking

Volumes and bind mounts

Registries

Multi-stage builds

Docker Compose

Need a walkthrough?
Stay with this topic.