Docker is an open-source container system that allows developers to pack, ship, and run applications consistently across different environments. Since its initial release in March 2013, it has gained significant popularity and community involvement, with numerous features supporting reliable deployments and efficient resource utilization. The document also provides insights into Docker's lifecycle, image management, and available resources for users.

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

2. AN OPEN SOURCE
PROJECT TO PACK,
SHIP AND RUN ANY
APPLICATION AS A
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3. 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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13. 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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14. Namics.
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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Containers vs. virtual machines
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Containers vs. VMs.
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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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Docker Images.
 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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Docker Lifecycle.
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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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24. Namics.
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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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
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26. Namics.
Vielen Dank für deine Aufmerksamkeit.
jeremy.haas@namics.com
© Namics
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