Elixir: run an application from the parent directory

Question

I have a root directory and several elixir applications inside it. Is there a way to: mix run --no-halt some of the applications from the root directory, not the application dir?

my_root_dir
|
├── my_first_app
|
├── my_second_app

I would echo the why would you need this in the first place. If it is because you expect the current working directory to be on a certain location, it means you are relying on relative paths and that's usually a no-no. Functions like Application.app_dir are supposed to help with that. — José Valim
– José Valim, Commented Jan 10, 2018 at 9:53

Tyler · Accepted Answer · 2018-01-07 15:48:37Z

1

You need to set the MIX_EXS variable to point to a mix.exs file. For your case it is probably something like:

MIX_EXS=my_root_dir/my_first_app/mix.exs mix run --no-halt

answered Jan 7, 2018 at 15:48

Tyler

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