Glossary term
What is Blue-green deployment? Meaning for developers
Two environments; switch traffic from old to new. Example: Instant rollback by switching back.
Learn it properly · System DesignLesson 58: CI/CD & Deployment Strategies: Blue-Green and CanaryFriday-evening deploys that need three people and a prayer are optional. CI that catches problems before merge, continuous delivery vs deployment, rolling, blue-green and canary releases — with a simulator — feature flags, zero-downtime database migrations and the DORA metrics.