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Docker Management for Humans
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Gary PaigePrincipal Technology Consultant at CenturyLink Labs
Cloud Expo East, Jun 9th 2015
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
We will talk about the human developer and how their processes can interact with containers.
Focus on Humans
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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.
hardwarehost OS
hypervisor
$ guest OS
libraries
app 1
$ guest OS $ guest OS
libraries
app 2
libraries
app 1
libraries
app 1
libraries
app 2
hardwarehost OS
libraries
app 1
hardwarehost OS
Docker Engine
libraries libraries
app 1 app 1 app 2
Docker Images
An image is controlled by a Dockerfile
docker build -t foo/bar .docker pull foo/bar
FROM centurylink/ruby-base:2.1.2
MAINTAINER Laura Frank <[email protected]>
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
FROM centurylink/ruby-base:2.1.2
MAINTAINER Laura Frank <[email protected]>
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
FROM centurylink/ruby-base:2.1.2
MAINTAINER Laura Frank <[email protected]>
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
FROM centurylink/ruby-base:2.1.2
MAINTAINER Laura Frank <[email protected]>
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
FROM centurylink/ruby-base:2.1.2
MAINTAINER Laura Frank <[email protected]>
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
FROM centurylink/ruby-base:2.1.2
MAINTAINER Laura Frank <[email protected]>
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
FROM centurylink/ruby-base:2.1.2
MAINTAINER Laura Frank <[email protected]>
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
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
RequirementsVirtualBox 4.3 or higher Vagrant 1.6 or higher
Installation$ brew install http://download.panamax.io/installer/brew/panamax.rb $ panamax init
Get Panamax
$ panamax ssh
Panamax Demo
Remote Deployment
Looks something like this
DigitalOcean Droplets
Continuous Integration and Deployment
Remote Done?
We chatted about…
• Docker and it ain’t that scary • Creating and using Images • Panamax for multi-container applications • Our continuous deployment process
An R&D team within CenturyLinkBlogs, tutorials, videos, podcasts related to Docker
http://centurylinklabs.com
Panamax:
- 12 engineers - 9 months - 3200+ cups of coffee
CenturyLink Labs Team
Docker User Guidehttps://docs.docker.com/userguide/
Panamaxhttp://panamax.io/https://github.com/CenturyLinkLabs/panamax-ui/wiki
Drayhttp://dray.it/
ImageLayershttps://imagelayers.io
Lorryhttps://lorry.io
Sources and references
Thanks!Gary Paige
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