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Docker at the Home Office
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Billie Thompson
October 03, 2015
Technology
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Docker at the Home Office
Billie Thompson
October 03, 2015
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Transcript
Docker at the Home Office Billie Thompson @PurpleBooth https://github.com/PurpleBooth/flappy-endpoint -
Examples!
Billie Thompson @PurpleBooth Developer & Reluctant DevOps
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–Docker “Docker is an open platform for developing, shipping, and
running applications. Docker is designed to deliver your applications faster.”
–Docker “Docker […] makes use of another technology called cgroups
or control groups. A key to running applications in isolation is to have them only use the resources you want.”
What is docker? Linux Kernel
What is docker? Linux Kernel
What is docker? Linux Kernel
What is docker? Linux Kernel
What is docker? Linux Kernel
What is docker? Linux Kernel
What is docker? Linux Kernel
How do you run a container? $ docker run \
--name=“flappy” \ -p “80:80" \ quay.io/purplebooth/flappy-endpoint
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Finding containers • registry.hub.docker.com (Sort by Stars) • Websites of
software you’re using • Quay.io
How do you make a container
What is docker? FROM
What is docker? FROM COPY
What is docker? FROM COPY COPY
What is docker? FROM COPY COPY RUN
What is docker? FROM COPY COPY RUN quay.io/purplebooth/flappy-endpoint:latest
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Continuous Integration • Your artefact is now a container •
Online build servers • https://hub.docker.com/ • https://quay.io/repository/
12 Factor • http://12factor.net/ • Key changes to your app:
• Log to STDOUT • Configure using Environment variables
Docker is awesome but how to manage
Docker is awesome but how to manage ?
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Work like us • What and how we reuse things
• Think like a platform • Work Securely
Things We Reuse • Reuse Code • Reuse Containers •
Reuse Environments
The worlds most successful code reuse project • Work openly
• Open source • Be Good People
Being a good person (inside and out) • Version stuff
(SemVer) • Write Beautiful Documentation • License • Code of Conduct
Thinking like a Platform • Jira • Git • File
Hosting
Thinking like a PaaS • AWS + Kubernetes • CoreOS
on AWS (with Kubernetes) • Google Container Engine (Kubernetes) • Vagrant + Kubernetes • KUBERNETES!
Work Securely • Use WAF Containers • Control your upstream
containers! • Physical separation (sometimes)
Any Questions! @purplebooth • https://billie.codes/1MXEtRc - Kubernets on Vagrant •
https://github.com/PurpleBooth/flappy-endpoint • https://ukhomeoffice.github.io/