Introduction to Docker - What is it and how is it compared to VM's

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Docker. Open Source. Container. Ship and Run. Namics. Jeremy Haas. Software Engineer. 29. Juli 2014

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Transcript of Introduction to Docker - What is it and how is it compared to VM's

Page 1: Introduction to Docker - What is it and how is it compared to VM's

Docker. Open Source. Container. Ship and Run. Namics.

Jeremy Haas. Software Engineer.

29. Juli 2014

Page 2: Introduction to Docker - What is it and how is it compared to VM's

Namics.03.11.2014 Docker. Open Source.Container. Ship and Run.2

AN OPEN SOURCE

PROJECT TO PACK,

SHIP AND RUN ANY

APPLICATION AS A

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Namics.

Container. Cargo. Analogy.

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The challenge.

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The matrix from hell.

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Cargo transport pre 1960.

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Also a matrix from hell.

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Solution: Intermodal shipping container.

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Docker is a Container System for Code.

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Docker. Matrix from heaven.

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About Docker.

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Numbers. Numbers. Numbers.

Initial release: March 13, 2013

74 Releases

Current release: V1.1.2

Now (28.07.2014)

13‘900 stars

2‘500 forks

9‘700 commits

540 contributors

14,000 “Dockerized” apps

2.75 million downloads

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Namics.

Containers.

Containers are lightweight

Typical laptop runs 10-100 containers easily

Typical server can run 100-1000 containers

Containers can run at native speeds

Yes, they can!

http://qiita.com/syoyo/items/bea48de8d7c6d8c73435

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Deploy reliably & consistently

If it works locally, it will work on the server

Run everywhere, With the exact same behaviour

Regardless of kernel version

Regardless of host distro

Physical or virtual, cloud or not

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Namics.

Containers vs. virtual machines

03.11.2014 15 Docker. Open Source.Container. Ship and Run.

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Namics.

Containers vs. VMs.

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Namics.

Containers vs. VMs.

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The Docker system.

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The Docker system.

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AUFS – advanced multi layered unification fs

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Namics.

Docker Images.

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Images are read-only.

Containers are built using images as the base.

Images without parent images are base images.

To make a new custom image, you have to commit a

container

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Namics.

Docker Lifecycle.

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Namics.

Docker Hub.

Community (stars, comments, download statistics)

Manage & browse docker repositories

Public and private options

Unlimited free public repositories

One free private repository

~$1/month per additional private repository

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Private Registry.

Pros

Independent of Docker.io registry

In-house registry (Storage/Backup)

Proprietary code / Confidential information

Cons

Chaos!

No GUI (not yet, Namics Lab?)

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Namics.

Docker. More Information.

www.docker.io

Documentation

Getting started (tutorial, installation, guide, etc)

Introductory whitepaper

Github: dotcloud/docker

IRC: freenode #docker

Google Group: docker-user

Twitter: @docker

Meetups: www.docker.io/meetups

03.11.2014 Docker. Open Source.Container. Ship and Run.25

http://www.docker.io/
http://www.docker.io/the-whole-story/
http://github.com/dotcloud/docker
https://groups.google.com/forum/#!forum/docker-user
http://twitter.com/docker
http://www.docker.io/meetups
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Namics.

Vielen Dank für deine Aufmerksamkeit.

[email protected]

© Namics

03.11.2014 26 Docker. Open Source.Container. Ship and Run.


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