Video and slides synchronized, mp3 and slide download available at http://bit.ly/14UAvlN. Rachel Laycock discusses using a polyglot build and deployment infrastructure that makes life easier.Filmed at qconnewyork.com. Rachel Laycock works for ThoughtWorks as a Lead Consultant with 10 years of experience in systems development. She has worked on a wide range of technologies and the integration of many disparate systems. Since working at ThoughtWorks, Rachel has coached teams on Agile and Continuous Delivery technical practices and has played the role of coach, trainer, technical lead, architect, and developer.

1. polyglot Architecture
for rapid release
Friend or Foe?
RACHEL LAYCOCK
http://thoughtworks.com
@rachellaycock

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3. Presented at QCon New York
www.qconnewyork.com
Purpose of QCon
- to empower software development by facilitating the spread of
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Strategy
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Highlights
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- held in 9 cities worldwide

4. once upon a
time..

5. Customer
Delivery team
Constant flow of new features into production
software always production-ready
releases tied to business needs, not
operational constraints
continuous delivery

6. polyglot programming

7. Confusion

8. Evolutionary
Architecture

9. 5 Principles of Evolutionary
Architecture
Postel’s Law
Last responsible moment
Architect and develop for evolvability
Conway’s Law
Architect for testability

10. Architect for
Evolvability &
Testability

11. 1. Evolvability

12. Validation
Tests
Deploy & Test
Configuration Set
Unit &
Integration
Tests
Full
Application
Testing
Unit &
Integration
Tests
Unit &
Integration
Tests
Component
Packaging
Deploy & Test
App
Deploy & Test
Other stuff
Test App
Component
Packaging
Full
Application
Testing
Unit &
Integration
Tests
Unit &
Integration
Tests
Unit &
Integration
Tests
Deploy & Test
App
Deploy & Test
App
Deploy & Test
App
Test Scripts
System
Testing
Full Systems
Integration
Testing
Manual
QA
Performance
Testing
Signoff Live

13. Data
Warehouse
Source
Control
Prod
Deploy
Agent Admin
Source
Control
Prod
Deploy
Sage CRM
Source
Control
Prod
Deploy
Offering
Service
Source
Control
Prod
Deploy
Package
Package
Package
Package Pre-prod
Pre-prod
Pre-prod
Pre-prod
Micro-services
Dependency
management

14. 2. Stability

15. 3. Testability

16. service 1
service 2
pre-checkin
build&
package
unittest
integrationtest
commitartefactsbuild&package
unittest
deployintegrationtestpromote
change

17. 4. maintainability

18. 5. Supportability

19. service 1
service 2
pre-checkin
build&
package
unittest
integrationtest
commitartefactsbuild&package
unittest
deployintegrationtest
non-functional
tests
stagingtest
releaseto
production
smoketest
promote
change
publish
artefacts
Application 1
Application 2
Application n
releaseto
production
smoketest
stagingtest
SIT
non-functional
tests
build&
package
unittest
Pipelines
service 1
service 2
Application 1
Application 2
Application n
Key
Stage + start of parallel
activity
Synchronisation point for
parallel activities
Activity / Stage
Manually triggered stage

20. context context context
"organizations which design systems ...
are constrained to produce designs which
are copies of the communication
structures of these organizations"

21. Architect for build, run and deploy

22. Thanks
RACHEL LAYCOCK
http://thoughtworks.com
@rachellaycock