Presentation done at Agile Tour Beirut 2015 about the way LesFurets.com learnt and applies the Continous Delivery principles. * Books and principles * Main activities

1. Dimitri BAELI -- LesFurets.com -- @dbaeli
Agile Tour Beirut 2015
CONTINUOUS
DELIVERY
THE FRENCH WAY

4. LESFURETS.COM

5. THE TEAM
24 software engineers (500k lines of code)
4 Business Analysts (100+ features/year)
2 Sysadmins (10+ Servers)
1 Delivery Manager (Agile)
1 Program Manager (Portfolio)

6. THE CODEBASE
500.000 lines of code
30.000 Unit tests
200 Automated in Browser tests

7. IN 2011: 11 RELEASES
Plan/Estimate/Code/Test/Release monthly
Monthly Sprints
Release = ~360 man days of coding

8. IN 2013: 60 RELEASES
Estimate/Code/Test/Release monthly
Weekly cherry picks
Release = ~100 man days of coding

9. IN 2014: 211 RELEASES
Ship what is READY the next day
Don't be blocked by unready code
Release = ~30 man days of coding

10. RELEASE OFTEN

11. 30 FEATURES IN PARALLEL AT WORK !

12. CONTINUOUS DELIVERY
BY THE BOOK

13. Source: http://agilemanifesto.org

14. AGILE MANIFESTO
PRINCIPLE 1
"Our highest priority is to satisfy the customer through early and continuous delivery of
valuable software."

15. DELIVER EARLY, DELIVER OFTEN
Source: http://paulhammant.com/2013/03/13/facebook-tbd-take-2/

16. CONTINUOUS DELIVERY
JEZ HUMBLE, DAVID FARLEY
1. Fast builds
2. Pre-Commit check (all tests ever ok)
3. Simple and fast automated deployments
4. Production monitoring and alerting
5. Root Cause Analysis

17. THE PHOENIX PROJECT
1. Novel about complex projects in IT
2. Experts are constraint
3. Power of Agile/DevOps

18. PRODUCT DEVELOPMENT FLOW
DON REINERTSEN
Work with a flow
Manage Queues of work
Lead Time more than work duration
Reduce per release costs

19. KANBAN : EVOLUTIONARY CHANGE
DAVID ANDERSON
Visualize the work
Limit the Work in Process
Explicit Rules
Continuous Improvement
Leadership

20. HOW GOOGLE TEST SOFTWARE
JAMES WHITAKER
Dev QA their own changes
Build test tools for devs
Automate where Failures occurs

21. p>
GIT & GITHUB FLOWS
http://scottchacon.com/2011/08/31/github-flow.html

22. CONTINUOUS DELIVERY
AT LESFURETS.COM

23. Deliver ...
when it's ready

24. RELEASE
Code
Test
Deploy
Monitor

25. SELF-MANAGED DEPLOYMENT

26. VALIDATION & QA
Showcase/functional validation
Code reviews
Selenium
Regression Testing : Zeno Pixel

27. SELENIUM

28. SELENIUM
Page Object Pattern
Fluent API (FluentLenium like)
Selenium in the sky with LXC
200 Selenium tests in <10min

29. ZENO
VISUAL REGRESSION

30. CONTINUOUS DELIVERY
AT CODE-LEVEL

31. DON'T BE BLOCKED BY OTHERS !

32. CODEBASE LEVEL

33. FEATURE BRANCHING

34. CONTINUOUS INTEGRATION
ON EVERY COMMIT
Compilation
Automated tests
Bonus: Merge all branches (and test)

35. octopus
master feature A feature B

36. octopus
master feature A
feature B

37. octopus
master feature A
feature B
disposable
commit

38. RELEASE OFTEN
Release is not an event
Release what is ready
Non blocking mindset

39. THANK YOU !
Twitter
GitHub
Git Octopus & Zeno Pixel
@BeastieFurets
LesFurets