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Python Apps and Docker

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Avatar for Matt Wright Matt Wright
August 17, 2014

Python Apps and Docker

Slides for a presentation I gave at PyGotham 2014

Avatar for Matt Wright

Matt Wright

August 17, 2014
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  1. Matt Wright @mattupstate Software/Ops Engineer @ChatID • Python, Lua, CoffeeScript

    • Flask, Prosody, Backbone, Angular Open Source • Author: Flask-Security, Flask-JWT, ... • Contributor: Ansible, Flask • Member: metaflask
  2. “... an open platform for developers and sysadmins to build,

    ship, and run distributed applications.” http://docker.com/whatisdocker Docker:
  3. Images A stateless, read-only collection of “layers” joined together via

    a union filesystem. Containers A stateful instance of an image in which one or more processes are running or have exited Docker: Concepts
  4. Docker: Components Docker Engine A portable, lightweight system level daemon

    that manages images and containers Docker Hub A web service for distributing images and enabling automated workflows
  5. Docker Hub Server Docker Engine Docker CLI Containers Images Docker:

    Birds Eye View Repository Images Repository Images Repository Images Repository Images
  6. • Development Environments • Application Deployment • Continuous Integration •

    Continuous Delivery • Platform-as-a-Service (PaaS) Docker: Use Cases
  7. Tooling Kubernetes Marathon maestro-ng Shipyard fig Platforms Elastic Beanstalk CoreOS

    flynn.io deis.io Docker: Landscape SaaS circleci.com shippable.com drone.io quay.io and many more (to come) ...
  8. +

  9. • README • Stacks (LAMP, XAMP) • Virtual Machines •

    Vagrant + (Chef | Puppet | Ansible) Dev Envs: Before
  10. • Easy to change and share • Always consistent •

    100% Isolated • Single authority • Production ready! Dev Envs: Docker!
  11. • Be skeptical of Docker dogma • Keep secrets out

    of env vars • Don’t use Docker for everything • Design images carefully Docker Tips