Slides from my talk at XP Days Ukraine 2013

1. Architecting for
CONTINUOUS DELIVERY
AXEL FONTAINE
axelfontaine.com - @axelfontaine

2. AXEL FONTAINE
Software Development Expert
axelfontaine.com - @axelfontaine
business@axelfontaine.com
Continuous Delivery expert
Regular Speaker at Conferences
Founder of Flyway
flywaydb.org
Working on Photon
getphoton.com

3. about
questions

4. Fully automated deployment
of a complete application
into production
multiple times a day
with zero downtime
GOAL

5. Putting
things
into
PERSPECTIVE

6. http://digitalcitizen.ca/2009/06/22/simpsons-profile-pics-for-facebook-and-other-applications/

9. CONTINUOUS
DELIVERY
http://www.flickr.com/photos/kamshots/3096111340/

14. stackoverflow.com

15. stackoverflow.com

16. stackoverflow.com

17. stackoverflow.com

18. Prerequisites

19. Process
http://www.flickr.com/photos/feffef/460299390/in/photostream/

20. Process
http://www.flickr.com/photos/feffef/460299390/in/photostream/

21. Build

22. Build

23. Version Control

24. Version Control

25. Test
http://www.flickr.com/photos/vitorcastillo/2994723741/

26. Test
http://www.flickr.com/photos/vitorcastillo/2994723741/

27. DEV
Build
Small
Tests

28. DEV
Build
Small
Tests
Medium
Tests

29. DEV
Build
Small
Tests
Medium
Tests
Large
Tests

30. Continuous
Integration
DEV
Build
Version
Control
Build
Small
Tests
Small
Tests
Medium
Tests
Medium
Tests
Large
Tests
Large
Tests

31. DEPLOYMENT
automation
http://www.flickr.com/photos/soldiersmediacenter/3650607959/

32. do
NOT
deploy
SNAPSHOTS !

33. Continuous
Integration
DEV
Build
Version
Control
Build
Small
Tests
Small
Tests
Medium
Tests
Medium
Tests
Large
Tests
Large
Tests
Release
Artifact
Repository

34. What gets deployed?
Code
Configuration
DB Delta

35. Code
Deployment
Package

37. backup
stop
install
start
…
Deployment
Script
Code
Deployment
Package

38. backup
stop
install
start
…
Deployment
Script
Code
Deployment
Package

39. Continuous
Integration
Target
backup
stop
install
start
…
Release
Artifact
Repository
Deployment
Script

40. Configuration
Maybe it could
change one day
Code
≠ Environments
Deployment
Package

41. Environment
Detection
?
Code
Deployment
Package

42. Environment
Detection
Test
Code
AutoConfiguration

43. Continuous
Integration
Target
backup
stop
install
start
…
Release
Artifact
Repository
Deployment
Script

44. DB Delta

45. VS
DML
DDL

46. DB Delta
Code
Deployment
Package

47. ?
Code
?
Deployment
Package
DB

48. flywaydb.org

49. Continuous
Integration
Target
backup
stop
install
start
…
Release
Artifact
Repository
Deployment
Script

50. MailService
Registration

51. MailService
Registration

52. MailService
Registration
v2
ParcelService

53. Feature Toggles
Branch by Abstraction
MailService
Registration
ParcelService

54. Feature Toggles
Branch by Abstraction
MailService
Registration
ParcelService

55. DB

56. DB

57. DB

58. State Management
Blue/Green Deployments
DB

59. Summary

60. DEV
Build
Target
Continuous
Integration
Version
Control
backup
stop
install
start
…
Build Release
Artifact
Repository
Small
Tests
Small
Tests
Medium
Tests
Medium
Tests
Large
Tests
Large
Tests
Deployment
Script

63. http://de.wikipedia.org/wiki/Datei:Yemen_Chameleon.jpg

68. One more thing

70. http://axelfontaine.com/blog/final-nail.html
http://axelfontaine.com/blog/environment-detection.html
http://martinfowler.com/bliki/FeatureToggle.html
http://googletesting.blogspot.com/2010/12/test-sizes.html

71. AXEL FONTAINE
Software Development Expert
@axelfontaine
axelfontaine.com
business@axelfontaine.com