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Docker, Containers and Cats...

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Avatar for Cristian Prieto Cristian Prieto
August 23, 2015
Programming
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53

Docker, Containers and Cats...

Introduction to Docker, presentation from DDD Melbourne and DDD Perth 2015

Avatar for Cristian Prieto

Cristian Prieto

August 23, 2015
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Transcript

  1. Docker, Containers and… Cats! Cristian Prieto / cprieto

  2. Who am I? • Tech Lead at • Software developer

    who loves weird things (like retro programming and internals) • Gamer, obsessed with cats • Seriously, look how awesome is that cat!

  3. What are containers?

  4. Is all about process isolation

  5. Machine Operating System Process (web server) Process (cache) Process (database)

    Process (email)

  6. Machine Operating System Hypervisor Process (Cache) Process (Database) Operating System

    Process (web server) Process (email) Virtual Machine

  7. Machine Operating System Process (Cache) Process (Cache) Process (Cache) Process

    (Cache) Container Container

  8. Work isolation Process level Virtual Machine Threads, Fibers, etc Physical

    machine chroot cgroups LXC Docker

  9. Docker is more than a container

  10. Docker is a set of tools

  11. Docker “ecosystem” • Docker command line client • Docker daemon

    • Docker registry • Docker plugins • A lot more! (third party)

  12. Docker is a container library

  13. libcontainer/runC

  14. Docker is a packaging format

  15. layers

  16. docker pull ubuntu:precise

  17. docker run ubuntu:precise apt-get install -y memcached

  18. docker commit cab24787db86 cprieto/mysample

  19. None

  20. docker registry

  21. None

  22. Dockerfiles

  23. None

  24. A note about storage

  25. Docker volumes

  26. Networking

  27. Windows Containers

  28. Machine Windows Operating System Process Hyper-V Process Process Container Container

  29. • API compatible with docker client • Powershell API’s •

    runC compatible • Image format? VHD? • Windows Nano Server as base • Available soon…

  30. Questions?

  31. Thank you!

  32. Over 9000!