Blue-green deployment — glossary
TL;DR
Running two environments and switching traffic between them.
Key facts
- Term
- Blue-green deployment
TL;DR
Blue-green deployment runs two parallel environments (blue and green). Traffic switches from the old environment to the new one in a single cut-over, with the old environment kept warm for fast rollback.
Relation to atomic releases
Symlink-based atomic deploys on a single host achieve a similar safety property without doubling hardware — Reflex Pipeline records deploy markers either way.