Blue-Green Deployment
Blue-Green Deployment is running two identical production environments where one serves live traffic while the other gets updates. When the new version is ready, you flip traffic instantly—zero downtime.
Definition
Running two identical production environments where one serves live traffic while the other gets updates. When the new version is ready, you flip traffic instantly—zero downtime.
Example
Your app runs on "blue" servers. You deploy updates to "green" servers, test them, then switch all users to green in seconds.
Related Terms
More Cloud & DevOps Terms
CI/CD
Short for Continuous Integration/Continuous Deployment. It automates testing and deploying your code so you can ship faster with fewer bugs.
Continuous Integration
The practice of automatically building and testing code every time someone pushes changes. Catches problems early instead of at release time.
Continuous Deployment
Automatically deploying code to production after it passes all tests. No manual "deploy" button—if tests pass, it ships.
DevOps
A culture and set of practices that bridges development and operations. The goal is faster, more reliable releases through automation and collaboration.
Infrastructure as Code
Managing servers, databases, and networks through config files instead of clicking around dashboards. Version controlled, repeatable, and way less error-prone.