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A few days ago I released Docker Flow: Proxy, my personal project aimed at providing a simple way to reconfigure proxy every time a new service is deployed or when a service is scaled. For more information, please visit the GitHub repository vfarcic/docker-flow-proxy or read the Docker Flow: Proxy – On-Demand HAProxy Service Discovery and Reconfiguration article. Considering that you are reading this post on the CloudBees blog, I'll assume that you are a Jenkins fan and that you are using it to deploy your Docker containers. In that spirit, what follows is an example that uses Jenkins Pipeline to deploy a service to a Docker Swarm cluster and automatically reconfigure the proxy so that the users of the service can access it no matter its location(s) or the number of scaled instances.