I remember being a reviewer for an Elixir book where the first chapter was listing the pros and cons of Elixir, and one of the cons was: it's kind of hard to manage deployment of Elixir applications.

My feedback was "hum, that's kind of a turn off for someone trying to learn the language/tech no?"

I think the community has been looking for something for a while now and is iterating (too?) quickly. There was erlang releases, there was distillery, now it's elixir releases. There are different ways of configuring in production. It goes a little too fast to keep up with to be honest.