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What Is Blue-Green Deployment?

In General
August 05, 2020


Practiced by the likes of Amazon for more than a decade, blue-green is a proven and safe method for continuous software deployment.

Have your users ever experienced downtime caused by a buggy release? Have you ever been called on a weekend to roll back an upgrade? Do you usually have to wake up at insane hours because that is the only time you can take down a system? Do release days make you feel anxious?

If so, it’s all right—you’re not alone—but it doesn’t have to be that way. Many methods can help us make safe deployments without downtime or the need for maintenance windows. One of these methods is called blue-green (or blue/green), and that’s what we’ll learn about today.

What is Blue-Green Deployment?

Blue-green deployment is a release management technique that reduces risk and minimizes downtime. It uses two production environments, known as Blue and Green, to provide reliable testing, continuous no-outage upgrades, and instant rollbacks.

The…



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