A gentle introduction into DevOps. Presentation given to Research and Development team at ACS, as part of a drive to strengthen Dev Ops culture across the entire company

1. Dev Ops
Leroy Dunn

2. https://upload.wikimedia.org/wikipedia/commons/thumb/c/c9/Client-server-model.svg/1200px-Client-server-model.svg.png
Client –
Server
Architecture

3. https://g83jp346tayu3vege2q0y5tb-wpengine.netdna-ssl.com/wp-content/uploads/2016/03/627x627-SftwareDev-Feature-HUSS.jpg

4. https://g83jp346tayu3vege2q0y5tb-wpengine.netdna-ssl.com/wp-content/uploads/2016/03/627x627-SftwareDev-Feature-HUSS.jpg
Deliver Value
To Customers
Quickly

5. https://g83jp346tayu3vege2q0y5tb-wpengine.netdna-ssl.com/wp-content/uploads/2016/03/627x627-SftwareDev-Feature-HUSS.jpg
Delay = loss
Bad Customer
Experience =
loss

6. https://assets4.botmetric.com/wp-content/uploads/2017/11/Ingraphics-devops-to-agile.png

7. https://assets4.botmetric.com/wp-content/uploads/2017/11/Ingraphics-devops-to-agile.png
Create
Change
- Add or modify
features
Create
Stability
- Create or
enhance
services

8. https://assets4.botmetric.com/wp-content/uploads/2017/11/Ingraphics-devops-to-agile.png
Create
Change
- Add or modify
features
Create
Stability
- Create or
enhance
services

9. “It works on my
machine…”

10. “There’s something
wrong with your
code….”

11. “There’s something
wrong with your
code….”
https://i.kym-cdn.com/entries/icons/original/000/012/468/shakeee.jpg

12. https://cdn-images-1.medium.com/max/2000/1*EBXc9eJ1YRFLtkNI_djaAw.png
Deliver Value To Customers Quickly

13. “There’s something
wrong with your
code….”
https://cdn-images-1.medium.com/max/1200/1*fmMYnozunnA4T8lLBX5JOg.jpeg

14. “There’s something
wrong with your
code….”
https://cdn-images-1.medium.com/max/1200/1*fmMYnozunnA4T8lLBX5JOg.jpeg

15. “There’s something
wrong with your
code….”

16. https://cdn-images-1.medium.com/max/2000/1*EBXc9eJ1YRFLtkNI_djaAw.png
Value
Collaboration
Communication
Product
Process
People
Culture

17. Symptoms of Bad DevOps
• Defects/bugs in production environment
• Inability to diagnose issues in quickly
• Problems appear in some environments only
• Blame shifting/finger pointing
• Long delays between Dev, QA, or another teams
• “Manual/human error” is a commonly cited root cause
• Releases fail
• Change is hard

18. “There’s something
wrong with your
code….”
https://assets4.botmetric.com/wp-content/uploads/2017/11/Ingraphics-devops-to-agile.png

19. Devops Core Values: CAMS
• Culture
• Automation
• Measurement
• Sharing: collaboration/feedback

20. “There’s something
wrong with your
code….”
Slide published by Mathew Jones, 3 October 2010, https://www.slideshare.net/geekle/devops-5348895/

21. “There’s something
wrong with your
code….”
Slide published by Mathew Jones, 3 October 2010, https://www.slideshare.net/geekle/devops-5348895/

22. “There’s something
wrong with your
code….”
Slide published by Mathew Jones, 3 October 2010, https://www.slideshare.net/geekle/devops-5348895/

23. “There’s something
wrong with your
code….”
Slide published by Mathew Jones, 3 October 2010, https://www.slideshare.net/geekle/devops-5348895/

24. “There’s something
wrong with your
code….”
Slide published by Mathew Jones, 3 October 2010, https://www.slideshare.net/geekle/devops-5348895/

25. “There’s something
wrong with your
code….”
Slide published by Mathew Jones, 3 October 2010, https://www.slideshare.net/geekle/devops-5348895/

26. “There’s something
wrong with your
code….”
Slide published by Mathew Jones, 3 October 2010, https://www.slideshare.net/geekle/devops-5348895/

27. “There’s something
wrong with your
code….”
Slide published by Mathew Jones, 3 October 2010, https://www.slideshare.net/geekle/devops-5348895/

28. “There’s something
wrong with your
code….”
Slide published by Mathew Jones, 3 October 2010, https://www.slideshare.net/geekle/devops-5348895/

29. “There’s something
wrong with your
code….”
Slide published by Mathew Jones, 3 October 2010, https://www.slideshare.net/geekle/devops-5348895/

30. “There’s something
wrong with your
code….”
Slide published by Mathew Jones, 3 October 2010, https://www.slideshare.net/geekle/devops-5348895/

31. Practical: Automation
• Test Driven Development (TDD)
• CI/CD Pipeline

32. Practical: TDD
Test-driven
development
cycle

33. “There’s something
wrong with your
code….”
Slide published by Mathew Jones, 3 October 2010, https://www.slideshare.net/geekle/devops-5348895/

34. Practical: TDD
Automation +
software
design

35. Practical: TDD
• TDD String KATA
http://osherove.com/tdd-kata-1/
• IntelliJ IDE
• Dependency Injection

36. Practical: Containerization

37. Practical: Continuous Integration /
Continuous Delivery