The document discusses techniques for achieving stress-free software releases, emphasizing the importance of automation in testing and deployment through concepts like deployment pipelines and infrastructure as code. It highlights the need for one-click deployments, blue-green releases, and managing servers efficiently. Additionally, it touches upon the cultural aspects of DevOps that contribute to a smoother release process.

1. Te c h n i q u e s f o r
STRESS-FREE SOFTWARE
RELEASES
Rouan Wilsenach
@rouanw
rouanw.github.io
thoughtworks.com

2. 2

3. SIGNS YOU’RE
!
DOING IT WRONG
Your releases are more stressful than they should be
3

4. 4
Stressed out?
https://www.flickr.com/photos/giuseppesavo/6153578409

5. 5https://www.flickr.com/photos/dingopup/3800498100
After hours

6. 6
Manual steps
https://www.flickr.com/photos/clement127/15943249419

7. 7https://www.flickr.com/photos/jdhancock/5827228535
The deployment guy

8. 8
Hope it works…
https://www.flickr.com/photos/daniel_gies/5052886953

9. 9https://www.flickr.com/photos/sweetone/3232998358
Users are impacted

10. 10https://www.flickr.com/photos/cgranycome/14007087703
Infrequent

11. 11https://www.flickr.com/photos/tambako/6143645724
Releases should be a non-event

12. HERE’S HOW
Techniques to help you sleep
12

13. THE GAUNTLET
Automated testing and a deployment pipeline
13

14. 14
The test pyramid
http://martinfowler.com/bliki/TestPyramid.html

15. testing = checking + exploring
!
- Elisabeth Hendrickson
15
http://testobsessed.com

16. 16
Deployment pipeline

17. 17
Package once

18. AUTOMATED
!
DEPLOYMENTS
One click. Deployed.
18

19. When humans do repetitive tasks on
behalf of computers, they all get together
late at night and laugh
!
- Neal Ford
19
nealford.com

20. 20
One-click deployment

21. 21
Production-like environments

22. 22
Start with a list

23. INFRASTRUCTURE
!
AS CODE
It’s like baking a cake, only you’re baking a server
23

24. 24
Automate a home for your app

25. 25
!
Treat your servers like cattle, not pets

26. I too consider myself an artist and a
craftsman of server building. With each
click of a mouse, I create a work of art.
!
- Disenfranchised systems administrator
26
http://tatiyants.com/devops-is-ruining-my-craft/

27. 27
Intentionality Time to recovery

28. 28

29. 29
Phoenix servers

30. BLUE - GREEN
!
RELEASES
Zero-downtime releases.
30

31. 31

32. 32

33. 33

34. 34http://martinfowler.com/bliki/BlueGreenDeployment.html

35. DEVOPS CULTURE
SUGSA Jo’burg - November 11
http://martinfowler.com/bliki/DevOpsCulture.html
35

36. 36https://www.flickr.com/photos/tambako/6143645724
Automated tests &
deployment pipeline
Automate deployment
Infrastructure as code
Blue-green releases

37. Te c h n i q u e s f o r
STRESS-FREE SOFTWARE
RELEASES
Rouan Wilsenach
@rouanw
rouanw.github.io
thoughtworks.com