How do you implement blue-green deployments in Jenkins for a zero-downtime release Can you provide a Jenkinsfile example or configuration for managing these deployments

How do you implement blue-green deployments in Jenkins for a zero-downtime release? Can you provide a Jenkinsfile example or configuration for managing these deployments?

This question seeks your approach to achieving seamless, zero-downtime releases by using a blue-green deployment strategy within Jenkins. The focus is on setting up a Jenkins pipeline that can direct traffic between two identical production environments and automate the process. You should discuss pipeline configuration, traffic switching, and fallbacks in case of issues with the new version.