Architecting for Continuous Delivery

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  • 1. Axel Fontaine @axelfontaine axelfontaine.comSoftware Development Expert business@axelfontaine.com
  • 2. Goal Automatically deploy a complete application into production multiple times a day with zero downtime
  • 3. Perspective
  • 4. http://digitalcitizen.ca/2009/06/22/simpsons-profile-pics-for-facebook-and-other-applications/
  • 5. ContinuousDelivery http://www.flickr.com/photos/kamshots/3096111340/
  • 6. code.flickr.com
  • 7. stackoverflow.com
  • 8. Prerequisites
  • 9. DEVBuildSmallTests
  • 10. DEVBuildSmallTestsMedium Tests
  • 11. DEVBuildSmallTestsMedium Tests Large Tests
  • 12. DEV Continuous IntegrationBuild Build Version ControlSmall SmallTests TestsMedium Medium Tests Tests Large Large Tests Tests
  • 13. DeploymentAutomation http://www.flickr.com/photos/soldiersmediacenter/3650607959/
  • 14. DoNOTdeploySNAPSHOTS !
  • 15. DEV Continuous IntegrationBuild Build Release Version Artifact Control RepositorySmall SmallTests TestsMedium Medium Tests Tests Large Large Tests Tests
  • 16. What gets deployed?Code Configuration DB Delta
  • 17. backup stop install start … CodeDeployment Deployment Script Package
  • 18. backup stop install start … CodeDeployment Deployment Script Package
  • 19. Continuous TargetIntegration backup stop install start … Release Artifact Deployment Repository Script
  • 20. Configuration ApplicationEnvironment + Application Security Environment Configuration Deployment Code File Server Package System
  • 21. Environment Detection ? Code Deployment Package
  • 22. Environment Acceptance Detection Code Auto-Configuration
  • 23. Continuous TargetIntegration backup stop install start … Release Artifact Deployment Repository Script
  • 24. DB Delta CodeDeployment Package
  • 25. Database Migrations Code ? ? DB Deployment Package
  • 26. Database Migrations http://flywaydb.org
  • 27. Continuous TargetIntegration backup stop install start … Release Artifact Deployment Repository Script
  • 28. MailServiceRegistration
  • 29. MailServiceRegistration
  • 30. MailServiceRegistration v2 ParcelService
  • 31. Feature TogglesBranch by Abstraction MailService Registration ParcelService
  • 32. Feature TogglesBranch by Abstraction MailService Registration ParcelService
  • 33. DB
  • 34. Memcache DB
  • 35. State ManagementBlue/Green Deployments Memcache DB
  • 36. Summary
  • 37. Continuous TargetDEV Integration backup stop install start …Build Build Release Deployment Version Artifact Control Script RepositorySmall SmallTests TestsMedium Medium Tests Tests Large Large Tests Tests
  • 38. http://de.wikipedia.org/wiki/Datei:Yemen_Chameleon.jpg
  • 39. One more thing
  • 40. Axel Fontaine @axelfontaine axelfontaine.comSoftware Development Expert business@axelfontaine.com