Blue/green deployment
Running two identical production environments and switching traffic from one to the other when the new version is ready.
What it is
Blue/green deployment keeps one environment live while the other is prepared with the new version. When testing is complete, traffic switches over, which makes rollback faster if a problem appears.
When you would use it
You use blue/green deployment when you want a clean switch between versions and a simple escape route if the release fails.
Common operations
- Safer production upgrades
- Fast rollback planning
- Reducing downtime during releases
Related terms
Where this is taught
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