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What is blue green deployment strategy?
Blue-green deployment is a technique that reduces downtime and risk by running two identical production environments called Blue and Green. At any time, only one of the environments is live, with the live environment serving all production traffic. This technique can eliminate downtime due to app deployment.
What is blue Green database?
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.
What is blue green deployment in Kubernetes?
A Blue/Green deployment is a way of accomplishing a zero-downtime upgrade to an existing application. The “Blue” version is the currently running copy of the application and the “Green” version is the new version. Once the green version is ready, traffic is rerouted to the new version.
What do you mean by blue green deployment?
Blue green deployment is an application release model that gradually transfers user traffic from a previous version of an app or microservice to a nearly identical new release—both of which are running in production.
How to automate blue green deployment in Cloud Foundry?
Cloud Foundry community members have written a plugin to automate the blue-green deployment process: BlueGreenDeploy: cf-blue-green-deploy is a plugin, written in Go, for the Cloud Foundry Command Line Interface (cf CLI) that automates a few steps involved in zero-downtime deploys.
What happens when blue environment is brought offline?
The ops team can use a load balancer to redirect each user’s next transaction from blue to green, and—once all production traffic is filtered through the green environment—the blue environment is brought offline. Blue can either standby as a disaster recovery option, or it can become the container for the next update.
What’s the difference between blue and green environments?
The old version can be called the blue environment while the new version can be known as the green environment. Once production traffic is fully transferred from blue to green, blue can standy in case of rollback or pulled from production and updated to become the template upon which the next update is made.