- Blue/green deployment is a technique for releasing applications by shifting traffic between two identical environments running different versions of the application
- the blue version is the currently running version of the application
- the green is the new version
- When youre satisfied that the green version is working properly, you can gradually reroute traffic from the old blue env to the new green environment .
- Blue/green deployments can mitigate common risks associated with with deploying software, such as:
- downtime
- rollback capability