How to list the open ports of your system.


At my new workplace we are making heavy use of docker and docker-compose. In order to make all of the containers talk to each other we use Traefik. So in order to actually use it I need to understand how Traefik works. Let's dive into it together! 🤓


Recently I'm doing a lot of networking again. In order to do so I needed to have the right tools available. One that I'm using surprisingly often is dig. That's why we are going to take a quick look at it. Let's go! 🤓