Learn how to get started with using Traefik locally, so that you can get to grips with it, before you dive into doing something more complicated, such as use it in a Kubernetes or Docker-Swarm cluster.
Using Traefik with Docker Swarm For Deploying Web Applications
Learn how to deploy Traefik as a reverse web proxy on your Docker swarm, in order to be able to host multiple web applications, that each want to be accessed ports 80 and 443.