So, now you have a swarm running with an odd number of manager nodes, and a number of worker nodes. You have deployed some swarm services to run your favorite containerized applications. What's next? Well, you just might want to access one or more of the applications running in your swarm. Perhaps you have deployed a web server application. It would be nice to be able to visit the web pages shared by that web server, right? Let's take a quick look and see how easy it is to do so.

One of the features that the swarm managers handle for us is to direct traffic to our services. In an earlier example, we set up a web service that was running three replicas in the swarm. The swarm I am currently using happens to have three manager nodes and three worker nodes. All six nodes are eligible to run workloads so when the service is started...