Traefik is a simple and eficient load balancer that can be used at any environment, but if is used with docker or kubernetes can use the service discovery funcionality to allow you the deploy your services and it automaticaly discover all of your replicas and where are running
Used with kubernetes, acts as a ingress controller ( version 1.7 ), so you can use the standard ingress manifest to deploy your services
At the last post k3s introduction I told that I was not going to install traefik because is more dificult to make changes on it, so now we are going to learn how to install and use it.
At this point I indicate that to facilitate the dns resolution of the differents deployments we are going to use the nip.io domain, to allow us to call every deployment with dns its name and for that the ingress manifest must have a domain name.
First we are going to install traefik 1.7 at our kubernetes cluster. We can do that with 2 approaches