I\'m just learning Phoenix and Elixir and I\'m coming from Ruby/Rails where I work in the REPL using pry to inspect my database and application state.
I\'m
For runtime debug, (like byebug or debugger or pry in rails), use
require IEx at the top of your model or controller or views file, then type
IEx.pry to wherever you need it to halt at runtime and continue debugging.
Type h for help inside the console
Most importantly, after all that, restart your server with:
iex -S mix phoenix.server
More info: here