Continuous Delivery and Zero Downtime: What your architecture needs to succeed
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The document discusses principles and techniques for continuous delivery and zero downtime deployments, including deploying applications into production multiple times per day without downtime. It covers prerequisites like version control, continuous integration, and testing. It also discusses deploying code, configuration, and database changes; feature toggles; blue/green deployments; immutable infrastructure; and further reading on related topics.
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Continuous Delivery and Zero Downtime: What your architecture needs to succeed
- 1. Continuous Deliveryand Zero DowntimeWhat your architecture needs to succeed AXEL FONTAINE@axelfontaineaxel@boxfuse.com
- 2. flywaydb.org
- 3. boxfuse.com
- 5. Disclaimer Two days agomy voice completelyabandoned me
- 7. GOALFullyautomateddeploymentof a complete applicationinto productionmultiple times a daywith zero downtime
- 13. Poll: How often do you deploy in production? At least -Once a year -Every 3 months -Every Month -Every 2 weeks -Every week -Multiple times a week -Every day -Multiple times a day
- 22. Prerequisites
- 24. Build
- 25. Version Control
- 27. Build DEV Small Tests
- 28. Build DEV Small Tests Medium Tests
- 29. Build DEV Small Tests Medium Tests Large Tests
- 30. Version Control Build Build DEV Continuous Integration Small Tests Medium Tests Large Tests Small Tests Medium Tests Large Tests
- 32. do NOT deploy SNAPSHOTS !
- 33. Version Control Build Build Release DEV Continuous Integration Small Tests Medium Tests Large Tests Small Tests Medium Tests Large Tests Artifact Repository
- 34. DB Delta Code ConfigurationWhat gets deployed?
- 37. CodeDeploymentPackageDeploymentScript backup stop install start …
- 38. CodeDeploymentPackageDeploymentScript backup stop install start …
- 39. Release Continuous Integration Artifact Repository Target Deployment Script backup stop install start …
- 40. Configuration Deployment Package Code Maybe it could change one day ≠Environments
- 42. CodeAuto- Configuration TestEnvironment Detection
- 43. Release Continuous Integration Artifact Repository Target Deployment Script backup stop install start …
- 44. DB Delta
- 45. The FearofDDL
- 47. VS DML DDL
- 48. Name Balance Homer 163 Marge 214 Bart 9 Lisa 25
- 49. VS DML DDL Name Balance Homer 0 Marge 0 Bart 0 Lisa 0 Name Homer Marge Bart Lisa
- 52. flywaydb.org
- 53. Release Continuous Integration Artifact Repository Target Deployment Script backup stop install start …
- 56. Registration v2 MailService ParcelService
- 57. Registration MailService Feature Toggles a.k.a. Release at any time ParcelService
- 58. Registration MailService ParcelService Feature Toggles a.k.a. Release at any time
- 59. DB
- 60. DB
- 61. DB
- 63. Surname Last_Name ALTER TABLE … RENAME COLUMN Surname
- 64. Last_Name Last_Name Last_Name Surname ALTER TABLE … ADD COLUMN Last_Name CREATE TRIGGER … UPDATE … SET Last_Name= Surname DROP TRIGGER … ALTER TABLE … DROP COLUMN Surname
- 65. Last_Name Last_Name DROP TRIGGER … ALTER TABLE … DROP COLUMN SurnameExpand & Contracta.k.a. Release Independently
- 66. OS Kernel Libraries Language App Server App
- 67. OS Kernel Libraries Language App Server App } One immutable unit Regenerated after every commit Promoted from Envto Env } ???
- 68. OS Kernel Libraries Language App Server App One immutable unit Regenerated after every commit Promoted from Envto Env
- 69. OS Kernel Libraries Language App Server App One immutable unitRegenerated after every commit Promoted from Envto EnvImmutable Infrastructure
- 70. Summary
- 71. Version Control Build Build Release DEV Continuous Integration Small Tests Medium Tests Large Tests Small Tests Medium Tests Large Tests Artifact Repository Target Deployment Script backup stop install start …
- 74. flywaydb.org
- 77. boxfuse.com
- 78. Thanks ! AXEL FONTAINE@axelfontaineaxel@boxfuse.com boxfuse.com
- 79. Further reading: 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 http://blog.shinetech.com/2012/12/18/simple-session-sharing-in- tomcat-cluster-using-the-session-in-cookie-pattern/