Continuous What?! - Deploying software the right way - Part I

The theoretical part of a two-part presentation given to university students about the process of deploying software.

Transcript

1. Continous what ? Deploy software in the 21th century
2. Not continuity
3. Not code
4. risk
5. Progress is impossible without change - George Bernard Shaw
6. Move fast and break things - Mark Zuckerberg
7. break Don’t sh*t
8. tools culture
9. culture Let’s talk
10. Source Code Management
11. The bad
12. The average master
13. Feature Branches master add kittens
14. Feature Branches Rule #1 master is always deployable
15. Feature Branches Rule #2 change happens in feature branches
16. Pull Requests
17. Feature Branches Rule #3 small and trackable changes
18. Tracking Site Tracker PR #1 PR #2 PR #3 PR #4 PR #6
19. Unit Tests
20. What is the unit Test? 1 2 3
21. Unit Testing protects (t - 1)
22. Feature Branches Rule #4 build a reliable test suite
23. make them fast
24. You always test
25. Yes, and how ?!
26. Continous Integration
27. Kontinuierliche Integration ist ein Begriff aus der Software-Entwicklung, der den Prozess des fortlaufenden Zusammenfügens von Komponenten zu einer Anwendung beschreibt. […] - Wikipedia
28. code
29. production
30. code (compile) test (staging) production report
31. tools to the rescue
32. python fanboy
33. nosetests unit-testing
34. nosetests unit-testing orthogonal edge cases
35. selenium integration-testing
36. selenium why-is-this-not-working-anymore?!
37. sphinx documentation
38. featureflags I see something you can’t see
39. featureflags shiny new code old code is a developer
40. laboratory When old things have to go User old code new code request result
41. import laboratory experiment = laboratory.Experiment() with experiment.control() as c: c.record(get_objects_from_database()) with experiment.candidate() as c: c.record(get_objects_from_cache()) objects = experiment.run() laboratory When old things have to go
42. fabric automate deploys
43. putting it together
44. travis-ci.org circleci.com
46. Questions m.neidinger@unibas.ch @sQu4rks