1. Axel Fontaine
ARCHITECTING FOR
CONTINUOUS DELIVERY

2. Axel Fontaine @axelfontaine
axelfontaine.com
Software Development Expert
business@axelfontaine.com
• Independent consultant
• Located in Munich
• Founder of Flyway

3. about
questions

4. Automatically deploy
a complete application
into production
multiple times a day
with zero downtime
Goal

5. 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. Prerequisites
(a.k.a. if you recognize this,
you still have work to do)

16. process
http://www.flickr.com/photos/feffef/460299390/in/photostream/

17. build

18. version control

19. testing
http://www.flickr.com/photos/vitorcastillo/2994723741/

20. DEV
Build
Small
Tests

21. DEV
Build
Small
Tests
Medium
Tests

22. DEV
Build
Small
Tests
Medium
Tests
Large
Tests

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

24. Automated
Deployment
http://www.flickr.com/photos/soldiersmediacenter/3650607959/

25. Do
NOT
deploy
SNAPSHOTS !

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

27. What gets deployed?
Code Configuration DB Delta

28. Code
Deployment
Package

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

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

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

33. Configuration
Application
Environment + Application Security
Environment
Configuration Deployment Code File
Server Package System

34. Environment
Detection ?
Code
Deployment
Package

35. Environment
Acceptance
Detection
Code
Auto-
Configuration

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

37. DB Delta
Code
Deployment
Package

38. Database Migrations
Code ?
? DB
Deployment
Package

39. Database Migrations
http://flywaydb.org

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

41. MailService
Registration

42. MailService
Registration

43. MailService
Registration
v2
ParcelService

44. Feature Toggles
Branch by Abstraction
MailService
Registration
ParcelService

45. Feature Toggles
Branch by Abstraction
MailService
Registration
ParcelService

46. DB

47. Memcache DB

48. State Management
Blue/Green Deployments
Memcache DB

49. Summary

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

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

58. One more thing

60. Axel Fontaine @axelfontaine
axelfontaine.com
Software Development Expert business@axelfontaine.com