If we are talking about education, personal projects or the likes it really doesn’t matter.
For anything else where more than a person needs to collaborate i agree with the previous replies.
I’ve seen my fair share of Express Frankensteins and Flask project’s than ended up being a worst Django by a large mile but without any proper docs.
Now, about lightweight, Phoenix works fine in one file for simple use cases.
https://github.com/chrismccord/single_file_phoenix_fly/blob/main/run.exs
