How Can We Be Successful
- Fast Mean Time To Recovery
- Deploy More Often
- Decreased Lead Time
- Change Fail Percentage
Defining Success
How We Deploy Code
- Decouple Deployments From Releases
- Deploy More Often
- Be Confident When We Release
- Recover Quickly
Goal
- Deployment & Release Platform
- Zero Downtime Releases
- Deploy new code to a dark production environment
- Flexible Release Strategies
The Plan
Blue Green
- Run two versions of the Application
- Public traffic goes to "Live" version
- Deploy new code to "Dark" version
- Test it!
- When Confident, release by swapping
Load Balancer
Live Version
(stable)
Dark Version
(old version)
Load Balancer
Live Version
(stable)
Dark Version
(new code*)
new stuff!
Load Balancer
Dark Version
(stable)
Live Version
(new version)