Cloud Expo East 2015 talk about Docker

1. Docker Management for Humans
1
Gary Paige
Principal Technology Consultant at CenturyLink Labs
Cloud Expo East, Jun 9th 2015

2. Gary Paige
Work at CenturyLink Labs
Previously worked at Hewlett-Packard.
I am passionate about design both in code and graphics.
Teaching myself Piano.
I don’t like to eat things off a stick.
I am

3. We will talk about the human
developer and how their
processes can interact with
containers.
Focus on Humans

4. +

5. Docker lets us use and/or create images
These images are used to create Docker
containers in which your application runs
Docker effectively runs these containers as
services which can be spun up in
milliseconds.

6. hardware
host OS
hypervisor
$ guest OS
libraries
app 1
$ guest OS $ guest OS
libraries
app 2
libraries
app 1

7. libraries
app 1
libraries
app 2
hardware
host OS
libraries
app 1

8. hardware
host OS
Docker Engine
libraries libraries
app 1 app 1 app 2

9. Docker Images
An image is controlled by a
Dockerfile
docker build -t foo/bar .
docker pull foo/bar

10. FROM centurylink/ruby-base:2.1.2
MAINTAINER Laura Frank <ljfrank@gmail.com>
EXPOSE 4567
RUN mkdir -p /usr/src/app
ADD . /usr/src/app
WORKDIR /usr/src/app
RUN bundle install
CMD [“ruby”, “hello_world.rb”]
Dockerfile

11. FROM centurylink/ruby-base:2.1.2
MAINTAINER Laura Frank <ljfrank@gmail.com>
EXPOSE 4567
RUN mkdir -p /usr/src/app
ADD . /usr/src/app
WORKDIR /usr/src/app
RUN bundle install
CMD [“ruby”, “hello_world.rb”]
Dockerfile

12. FROM centurylink/ruby-base:2.1.2
MAINTAINER Laura Frank <ljfrank@gmail.com>
EXPOSE 4567
RUN mkdir -p /usr/src/app
ADD . /usr/src/app
WORKDIR /usr/src/app
RUN bundle install
CMD [“ruby”, “hello_world.rb”]
Dockerfile

13. FROM centurylink/ruby-base:2.1.2
MAINTAINER Laura Frank <ljfrank@gmail.com>
EXPOSE 4567
RUN mkdir -p /usr/src/app
ADD . /usr/src/app
WORKDIR /usr/src/app
RUN bundle install
CMD [“ruby”, “hello_world.rb”]
Dockerfile

14. FROM centurylink/ruby-base:2.1.2
MAINTAINER Laura Frank <ljfrank@gmail.com>
EXPOSE 4567
RUN mkdir -p /usr/src/app
ADD . /usr/src/app
WORKDIR /usr/src/app
RUN bundle install
CMD [“ruby”, “hello_world.rb”]
Dockerfile

15. FROM centurylink/ruby-base:2.1.2
MAINTAINER Laura Frank <ljfrank@gmail.com>
EXPOSE 4567
RUN mkdir -p /usr/src/app
ADD . /usr/src/app
WORKDIR /usr/src/app
RUN bundle install
CMD [“ruby”, “hello_world.rb”]
Dockerfile

16. FROM centurylink/ruby-base:2.1.2
MAINTAINER Laura Frank <ljfrank@gmail.com>
EXPOSE 4567
RUN mkdir -p /usr/src/app
ADD . /usr/src/app
WORKDIR /usr/src/app
RUN bundle install
CMD [“ruby”, “hello_world.rb”]
Dockerfile

17. FROM centurylink/panamax-ruby-base:0.4.0
CMD bundle exec rake db:create &&
bundle exec rake db:migrate &&
bundle exec rake db:seed &&
bundle exec rake panamax:templates:unload &&
bundle exec rake panamax:templates:load &&
bundle exec rake panamax:job_templates:unload &&
bundle exec rake panamax:job_templates:load &&
bundle exec rails s
Example Dockerfile

20. Requirements
VirtualBox 4.3 or higher
Vagrant 1.6 or higher
Installation
$ brew install http://download.panamax.io/installer/brew/panamax.rb
$ panamax init
Get Panamax

22. $ panamax ssh

23. Panamax Demo

24. Remote Deployment

25. Looks something like this

26. DigitalOcean Droplets

27. Continuous Integration
and Deployment

37. Remote Done?

38. We chatted about…
• Docker and it ain’t that scary
• Creating and using Images
• Panamax for multi-container applications
• Our continuous deployment process

39. An R&D team within CenturyLink
Blogs, tutorials, videos, podcasts related to Docker
http://centurylinklabs.com
Panamax:
- 12 engineers
- 9 months
- 3200+ cups of coffee
CenturyLink Labs Team

40. Docker User Guide
https://docs.docker.com/userguide/
Panamax
http://panamax.io/
https://github.com/CenturyLinkLabs/panamax-ui/wiki
Dray
http://dray.it/
ImageLayers
https://imagelayers.io
Lorry
https://lorry.io
Sources and references

41. Thanks!
Gary Paige
argvader
@argvader