kokolegorille

kokolegorille

Hello everyone,

I am building an umbrella application with a react frontend in the apps directory.

This directory is not an elixir project, it does contains webpack and react stuff.

When I start the elixir application, I receive the following error.

warning: path "apps/go_base_ui" is a directory but it has no mix.exs. Mix won't consider this directory as part of your umbrella application. Please add a "mix.exs" or set the ":apps" key in your umbrella configuration with all relevant apps names as atoms

It is working, as it is a warning, but is it possible to tell elixir to ignore this directory, and get rid of this error?

Or what kind of empty mix.exs file can I put just to do nothing?

I googled for apps" key in your umbrella configuration but found nothing relevant.

Thanks for taking time

Showing Posts 1 to 3

wmnnd

wmnnd

There are two keys you can set in your mix.exs in order to specify your umbrella apps:
:apps_path and :apps.

:apps_path is the directory in which Mix will look for your umbrella apps.
:apps can be a list of atoms with the names of the apps you want to include. If it is not set, Mix will try to find an application in every subdirectory of :apps_path.

So, if you only want to include an application called “foo” in your “apps” directory, your configuration would need to look like this:

app_path: "apps",
apps: [:foo]

Unfortunately, this is not documented very well, the only bit of documentation is for Mix.Project.apps_paths/1: Mix.Project — Mix v1.20.2

Maybe you could also look into moving your non-Elixir applications somewhere else. I think it might be confusing for other people looking at your code who would expect Elixir projects inside your “apps” folder.

kokolegorille

kokolegorille OP

I could not find any references. I will move the frontend at the root of the umbrella.

Thank You very much for your answer.

r8code

r8code

Looking for how to selectively start apps in umbrella project for days , and finally found this answer,
thank you

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