Welcome @Victor_Martinez
We just had an administrative training event in November, which means that all of the tutorials should be updated and current. But those can still be complicated!
For a shorter path through the configuration, and for less server maintenance overall, the Docker version can be a great choice! Most of the documentation is the same but many of the core tasks have already been done for you and set to some common default values. The README attached to the Docker deployment has instead a short guide to walk through customizing that further for the most common changes people make.
This is where to review: