DockerCon EU 2015: Cultural Revolution - How to Mange the Change Docker Brings

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The document discusses how organizations can manage the cultural changes that adopting Docker brings. It outlines four choices organizations face: whether to adopt Docker as a skunkworks project or enterprise-wide, whether to containerize monolithic or microservice applications, whether to use standard tools or develop proprietary solutions, and whether to adopt Docker openly or secretly. The document argues that adopting Docker openly as an enterprise standard can facilitate a DevOps culture, improve software quality, and increase hardware efficiency, ultimately benefiting the organization.

Technologie

Cultural Revolution – How to Manage the
Change Docker Brings
Ian Miell
Author of 'Docker in Practice'

—Dr. Spock
“Trust yourself. You know more
than you think.”
2

Agenda
Outcomes
DevOps Culture
Quality Improvements
Efficiencies
…
Profit
Background
The Problem
Enter Docker
Four Choices
1) Project/Skunkworks
2) Microservices/Monolith
3) Standard Tools/Not
Invented Here
4) Secret/Open
DevOps Culture
Quality Improvements
Efficiencies
…
Profit
Local Problems, Local
Solutions
Conclusion

The Wrong Number of Customers for DevOps
0
25
50
75
100
2 25 2000000
DevOpsQuotient
Number of customers
6

1) Project or Skunkworks?
Project
Structure
Funding
Skunkworks
Motivated
Fun
Democratic
Frictionless

2) Microservices or Monolith?
Microservices
Cleaner
Forces better design
Monolith
Convenient for legacy
Quicker to implement
Simpler to reason

Three Stages
Build Monolith
Devops Workflow
Break up Microservices
...
Profit

3) Standard Tools vs NIH
Standard Tools
Standard, well supported (mostly)
Proven
Not Invented Here
Fast
Feature-sufficient
Investment deferred

4) Secret or Open?
Secret
Control
Focus
Open
Risk of 'death by bikeshedding'
Cultivate buy-in and reap benefits

"Most managers seem to feel that training
employees is a job that should be left to
others.
I, on the other hand, strongly believe that the
manager should do it himself."
Andy Grove, Intel

Three Benefits (of Many!)
Facilitated DevOps Culture
Improved quality
More efficient hardware usage

Phoenix Deployment Example:
themortgagemeter.comDemo

Distributed CI with Docker and
Jenkins Swarm

—Dr. Spock
“Trust yourself. You know more
than you think.”
3
2

Thank you!
Ian Miell
@ianmiell
ian.miell@gmail.com
http://zwischenzugs.wordpress.com

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DockerCon EU 2015: Cultural Revolution - How to Mange the Change Docker Brings

1. Cultural Revolution – How to Manage the Change Docker Brings Ian Miell Author of 'Docker in Practice'

2. —Dr. Spock “Trust yourself. You know more than you think.” 2

3. Agenda Outcomes DevOps Culture Quality Improvements Efficiencies … Profit Background The Problem Enter Docker Four Choices 1) Project/Skunkworks 2) Microservices/Monolith 3) Standard Tools/Not Invented Here 4) Secret/Open DevOps Culture Quality Improvements Efficiencies … Profit Local Problems, Local Solutions Conclusion

4. Background Why Docker?

5. 5

6. The Wrong Number of Customers for DevOps 0 25 50 75 100 2 25 2000000 DevOpsQuotient Number of customers 6

7. Environments

8. Customer

9. Prototype

10. 1) Project or Skunkworks? Project Structure Funding Skunkworks Motivated Fun Democratic Frictionless

11. Erlang – proto-Docker architecture?

12. 2) Microservices or Monolith? Microservices Cleaner Forces better design Monolith Convenient for legacy Quicker to implement Simpler to reason

13.

14. Erlang – History Repeating Itself?

15. Three Stages Build Monolith Devops Workflow Break up Microservices ... Profit

16. 3) Standard Tools vs NIH Standard Tools Standard, well supported (mostly) Proven Not Invented Here Fast Feature-sufficient Investment deferred

17. 4) Secret or Open? Secret Control Focus Open Risk of 'death by bikeshedding' Cultivate buy-in and reap benefits

18.

19. "Most managers seem to feel that training employees is a job that should be left to others. I, on the other hand, strongly believe that the manager should do it himself." Andy Grove, Intel

20. How you see your organisation

21. How you see other organisations

22. What Happened Next?

23. Three Benefits (of Many!) Facilitated DevOps Culture Improved quality More efficient hardware usage

24. Before Docker and After

25. Phoenix Deployment Example: themortgagemeter.comDemo

26. Iterate Earlier in the Cycle...

27. ...and Customer Sees

28. CI Server Before

29. CI Server After

30. Distributed CI with Docker and Jenkins Swarm

31. Profit?

32. —Dr. Spock “Trust yourself. You know more than you think.” 3 2

33. Thank you! Ian Miell @ianmiell ian.miell@gmail.com http://zwischenzugs.wordpress.com