Hi, When a user connects to my application via a Phoenix.Socket he/she provides a token (generated by another system) that I would like to verify and validate. I created a Token module to encapsulate all the verification and validation code. It uses Joken to actually do the job and it requires some…

It looks like You want to cache your function when application start. Probably using an Agent would be ok. Or an Ets table (and a GenServer), to speed up think… Or cachex . Or a simple file, with :erlang.term_to_binary() and binary_to_term().

Or just application configuration :wink:

But it needs to be dynamic, at least when app starts :slight_smile:

Ok, it’s simpler :slight_smile:

Thanks @kokolegorille , @hauleth , @dimitarvp and @gregvaughn for taking the time to read it and contribute. Application.put_env/3 call in Application.start/2 should do. Your suggestion is to store the resulting function in the application environment when it starts, right? Isn’t it what I’m alre…

Closure for module configuration?

Questions & Help Questions

hauleth July 10, 2021, 7:52pm 5

Application.put_env/3 call in Application.start/2 should do.