Docker, Containers and Cats...

Introduction to Docker, presentation from DDD Melbourne and DDD Perth 2015

Transcript

1. Docker, Containers and… Cats! Cristian Prieto / cprieto
2. Who am I? • Tech Lead at • Software developer who loves weird things (like retro programming and internals) • Gamer, obsessed with cats • Seriously, look how awesome is that cat!
3. What are containers?
4. Is all about process isolation
5. Machine Operating System Process (web server) Process (cache) Process (database) Process (email)
6. Machine Operating System Hypervisor Process (Cache) Process (Database) Operating System Process (web server) Process (email) Virtual Machine
7. Machine Operating System Process (Cache) Process (Cache) Process (Cache) Process (Cache) Container Container
8. Work isolation Process level Virtual Machine Threads, Fibers, etc Physical machine chroot cgroups LXC Docker
9. Docker is more than a container
10. Docker is a set of tools
11. Docker “ecosystem” • Docker command line client • Docker daemon • Docker registry • Docker plugins • A lot more! (third party)
12. Docker is a container library
13. libcontainer/runC
14. Docker is a packaging format
15. layers
16. docker pull ubuntu:precise
17. docker run ubuntu:precise apt-get install -y memcached
18. docker commit cab24787db86 cprieto/mysample
20. docker registry
22. Dockerfiles
24. A note about storage
25. Docker volumes
26. Networking
27. Windows Containers
28. Machine Windows Operating System Process Hyper-V Process Process Container Container
29. • API compatible with docker client • Powershell API’s • runC compatible • Image format? VHD? • Windows Nano Server as base • Available soon…
30. Questions?
31. Thank you!
32. Over 9000!