This is a non-technical, short presentation of Docker. For a longer, more technical intro, check the Docker 101.

1. The Future of Distributed Applications

2. Who am I ?
● Jérôme Petazzoni
● « DevOps » engineer
● Docker early hire (2011)
● Puts everything into
containers
● Traveling Salesman
(kind of)

3. Apps have changed
2000 2015
Long lifecycle
Fast, iterative
lifecycle
Monolithic
(one framework
one language)
Microservices
(many decoupled
components)
Scaled up
(one big server)
Scaled out
(many servers)

4. Problem: shipping code
? ? ? ? ? ?
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5. ?

6. Problem: shipping goods
? ? ? ? ? ?
? ? ? ? ? ?
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? ? ? ? ? ?
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7. Solution:
the intermodal shipping container

8. Solved!

11. Results
● « Globalization »
● 90% of all cargo
now shipped in a standard container
● Shipping cost reduced 90%
(used to be 25% of product cost, now <3%)

12. Problem: shipping code
? ? ? ? ? ?
? ? ? ? ? ?
? ? ? ? ? ?
? ? ? ? ? ?
? ? ? ? ? ?
? ? ? ? ? ?

13. Solution:
the Linux container

14. Solved!

15. Results
● Deploy once a day instead of once a month
● Much shorter time to market
● Resource usage improved too (2x-10x)
● Freedom: move containers around
(colo-to-cloud, cloud-to-cloud, cloud-to-colo, ...)

16. Thank you! Questions?
http://docker.com/
@docker
@jpetazzo