What Are Blue-Green Deployments? | Understanding the Trade-offs

In this video, Eric Minick from Harness explains the fundamentals of blue-green deployments and how they help maintain a seamless user experience.

Key topics covered include:

• How Blue-Green Deployments Work: Learn how a load balancer manages traffic between two identical sets of infrastructure—one labeled "blue" and the other "green".
• Testing in Production: Understand how you can deploy a new software version to an inactive environment to perform rock-solid performance tests before going live.
• Instantaneous Rollbacks: Discover why blue-green deployments make rolling back to a previous version nearly immediate if issues arise.
• The Cost Trade-off: Explore the primary disadvantage of this strategy—the high infrastructure cost of maintaining two production environments simultaneously.

Whether you are looking for fast rollbacks or safer production testing, blue-green deployments offer a powerful strategy for modern software delivery.

Learn more about Blue-Green Deployments:

• https://www.harness.io/harness-devops-academy/what-is-a-blue-green-deployment
• https://www.harness.io/blog/blue-green-deployments-with-kubernetes-and-harness

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