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Docker - Package and Run Applications with Linux Containers

  1. 1. Docker Package and Run Applications with Linux Containers Tuesday, August 13, 13
  2. 2. Me, Joe Winter Sungard Consulting Services We’re hiring Rails, Java, and JS/Front-end folks Smart co-workers; great pay/benefits jwinter@gmail.com https://twitter.com/jwinter Tuesday, August 13, 13
  3. 3. Docker Better than Virtual Machines Container-based Deployment Rocks LXC/AUFS == Chocolate/Peanut Butter Tuesday, August 13, 13
  4. 4. What’s a container? Like a Virtual Machine Packaging System Tuesday, August 13, 13
  5. 5. * Image From docker.io Tuesday, August 13, 13
  6. 6. Why use containers? Run your whole damn stack Reduce dependency management Minimize configuration issues They’re Fast Tuesday, August 13, 13
  7. 7. Why use containers? Deploy Once, Deploy Anywhere Let Someone Else Do It Build Your Own, Quick and Easy Tuesday, August 13, 13
  8. 8. Working with Containers Insert Demo here Tuesday, August 13, 13
  9. 9. How Do Containers Work? LXC - Linux Containers Isolation via Namespaces Resource Management Tuesday, August 13, 13
  10. 10. How Do Containers Work? AUFS - Another Union Filesystem Layering Filesystem Shared Buffer Cache Tuesday, August 13, 13
  11. 11. * Image From docker.io Tuesday, August 13, 13
  12. 12. * Image From docker.io Tuesday, August 13, 13
  13. 13. Prebuilt Containers No need to build your own index.docker.io Github search for Dockerfile Tuesday, August 13, 13
  14. 14. How Do I Build Containers? Dockerfile FROM ubuntu CMD “apt-get install elasticsearch“ EXPOSE 9200 3030 Tuesday, August 13, 13
  15. 15. What are the Downsides? Very New Private Docker Repository Linux Only Tuesday, August 13, 13
  16. 16. What’s the Future? New PaaS (Flynn.io, Deis) Docker 1.0 in the Fall Groundswell of Support - 100s committers Continuous Integration Test a Container, Deploy that Container Cutting Edge of DevOps Tuesday, August 13, 13

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