Presentación para Devs502

1. FIRST STEPS WITH DOCKER
DAVID RECINOS @FAGONERX

2. AGENDA
• Virtualization
• History of containers
• Control Groups
• Docker
• Images and Containers
• Examples
• Docker rules for images
• Docker-compose

3. VIRTUALIZATION
• Moore’s Law
• “…we had about doubled every year the amount of components we
could put on a chip…”
• “…he decided that the complexity was doubling every two years and
the transistors were getting faster”
• In a server do more
• * http://large.stanford.edu/courses/2012/ph250/lee1/docs/Excepts_A_Conversation_with_Gordon_Moore.pdf

4. HISTORY OF CONTAINERS
Containers are so 2000
• [ FreeBSD Jails ] - [ Derrick Woolworth 1999-2000 ]
• [ Linux VServer ] - [ 2001]
• [ Process Containers ] - [ Google 2006 ]
• [ LXC Linux containers ] - [ Daniel Lezcano 2008]
• [ Docker ] - [ Solomon Hykes, Dotcloud 2013 ]

5. CONTROL GROUPS

6. CONTROL GROUPS
VS
HYPERVISOR

7. DOCKER
• Docker is a platform for developers and sysadmins to develop,
deploy, and run applications with containers.
• Flexible
• Lightweight
• Portable

8. IMAGE AND CONTAINERS
• Image: is a read-only template with instructions for creating a
Docker container.
• Containers: a runnable instance of an image

9. Image
From:ubuntu
#configurations
CMD [“echo”, “hello
World”]
Docker CLI RUN!
hello
World

10. IMAGE AND CONTAINERS
• Where the images come from?

11. DOCKER IMAGES

12. RETHINKDB

13. DOCKER RULES FOR IMAGES
• [S]OLID Single Responsibility Principle
• Foreground processes
• Layers!

17. • www.dorefactor.com
• @fagonerx
• farendaway@gmail.com