Cannot create phoenix app inside umbrella project

Fl4m3Ph03n1x

Background

I have an umbrella app and I am trying to add a phoenix app inside of it. However, When I run the mix command to create a phoenix umbrella app, I get an error I don’t understand.

Problem

I have an umbrella app with the following structure:

market_manager
  |_apps
    |_ app1
    |_ app2

I want to add another umbrella app to my apps folder, a phx_test_app.
To do so I am running mix phx.new.web phx_test --live --no-ecto inside of my apps folder. However I get the following error:

λ mix phx.new.web test --no-ecto
** (Mix) Could not find "use Mix.Config" or "import Config" in "c:/Users/palme/Documents/GitHub/market_manager/config/config.exs"

To me this is confusing, as this is contents of the file in question:

import Config

import_config "#{Mix.env()}.exs"

So I definitely have the one thing the error says I am missing.

Questions

Why am I having this error and how can I fix it?

For those of you curious enough, this is the project in question:
https://github.com/Fl4m3Ph03n1x/market_manager/tree/dev

15 comments

/phoenix #umbrella #liveview

1 3499 15

2021-05-25 13:44:44 UTC

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LostKobrakai

Try updating phx.new. I had no problem running your command on the cloned repo on both master and dev branch.

Post #1

Fl4m3Ph03n1x

How do I do that ?

Post #2

LostKobrakai

mix archive.install hex phx_new 1.5.9

Post #3

Fl4m3Ph03n1x

Even after updating, it still fails.
I have also deleted my project and cloned it from zero again in hopes it would fix the issue, but alas, I was not that lucky:

λ mix archive.install hex phx_new 1.5.9
Resolving Hex dependencies...
Dependency resolution completed:
New:
  phx_new 1.5.9
* Getting phx_new (Hex package)
All dependencies are up to date
Compiling 10 files (.ex)
Generated phx_new app
Generated archive "phx_new-1.5.9.ez" with MIX_ENV=prod
Found existing entry: c:/Users/palme/.mix/archives/phx_new-1.5.9
Are you sure you want to replace it with "phx_new-1.5.9.ez"? [Yn] Y
* creating c:/Users/palme/.mix/archives/phx_new-1.5.9

C:\Users\palme\Documents\GitHub\market_manager\apps (dev -> origin)
λ mix phx.new.web phx_test --live --no-ecto
** (Mix) Could not find "use Mix.Config" or "import Config" in "c:/Users/palme/Documents/GitHub/market_manager/config/config.exs"

Post #4

kokolegorille

Try to remove the old installer before adding the new one…

You get the list with

mix archive

You remove with

mix archive.uninstall ...

Then install the new one.

Post #5

Fl4m3Ph03n1x

Still failing:

λ mix archive
* hex-0.21.2
* phx_new-1.5.9
Archives installed at: c:/Users/palme/.mix/archives

GitHub\market_manager\apps (dev -> origin)
λ mix archive.uninstall phx_new 1.5.9
Are you sure you want to uninstall c:/Users/palme/.mix/archives/phx_new-1.5.9? [Yn] Y

GitHub\market_manager\apps (dev -> origin)
λ mix archive
* hex-0.21.2
Archives installed at: c:/Users/palme/.mix/archives

GitHub\market_manager\apps (dev -> origin)
λ mix archive.install hex phx_new 1.5.9
Resolving Hex dependencies...
Dependency resolution completed:
New:
  phx_new 1.5.9
* Getting phx_new (Hex package)
All dependencies are up to date
Compiling 10 files (.ex)
Generated phx_new app
Generated archive "phx_new-1.5.9.ez" with MIX_ENV=prod
Are you sure you want to install "phx_new-1.5.9.ez"? [Yn] Y
* creating c:/Users/palme/.mix/archives/phx_new-1.5.9

GitHub\market_manager\apps (dev -> origin)
λ mix phx.new.web phx_test --live --no-ecto
** (Mix) Could not find "use Mix.Config" or "import Config" in "c:/Users/palme/Documents/GitHub/market_manager/config/config.exs"

Could it be because I am using Windows?

Post #6

kokolegorille

It works on my Linux machine with same versions…

$ mix new koko --umbrella
* creating README.md
* creating .formatter.exs
* creating .gitignore
* creating mix.exs
* creating apps
* creating config
* creating config/config.exs

Your umbrella project was created successfully.
Inside your project, you will find an apps/ directory
where you can create and host many apps:

    cd koko
    cd apps
    mix new my_app

Commands like "mix compile" and "mix test" when executed
in the umbrella project root will automatically run
for each application in the apps/ directory.
$ cd koko/apps/
$ mix phx.new.web test --no-ecto --live
* creating test/lib/test.ex
* creating test/lib/test/application.ex
* creating test/lib/test/channels/user_socket.ex
* creating test/lib/test/endpoint.ex
* creating test/lib/test/router.ex
* creating test/lib/test/telemetry.ex
* creating test/lib/test/views/error_helpers.ex
* creating test/lib/test/views/error_view.ex
* creating test/mix.exs
* creating test/README.md
* creating test/.gitignore
* creating test/test/test_helper.exs
* creating test/test/support/channel_case.ex
* creating test/test/support/conn_case.ex
* creating test/test/test/views/error_view_test.exs
* creating test/.formatter.exs
* creating test/lib/test/templates/layout/root.html.leex
* creating test/lib/test/templates/layout/app.html.eex
* creating test/lib/test/templates/layout/live.html.leex
* creating test/lib/test/views/layout_view.ex
* creating test/lib/test/live/page_live.ex
* creating test/lib/test/live/page_live.html.leex
* creating test/test/test/views/layout_view_test.exs
* creating test/test/test/live/page_live_test.exs
* creating test/lib/test/gettext.ex
* creating test/priv/gettext/en/LC_MESSAGES/errors.po
* creating test/priv/gettext/errors.pot
* creating test/assets/webpack.config.js
* creating test/assets/.babelrc
* creating test/assets/js/app.js
* creating test/assets/css/app.scss
* creating test/assets/package.json
* creating test/assets/static/favicon.ico
* creating test/assets/css/phoenix.css
* creating test/assets/static/images/phoenix.png
* creating test/assets/static/robots.txt

Fetch and install dependencies? [Yn] 
* running mix deps.get
* running mix deps.compile
* running cd assets && npm install && node node_modules/webpack/bin/webpack.js --mode development

We are almost there! The following steps are missing:

    $ cd test

Your web app requires a PubSub server to be running.
The PubSub server is typically defined in a `mix phx.gen.ecto` app.
If you don't plan to define an Ecto app, you must explicitly start
the PubSub in your supervision tree as:

    {Phoenix.PubSub, name: Test.PubSub}

Start your Phoenix app with:

    $ mix phx.server

You can also run your app inside IEx (Interactive Elixir) as:

    $ iex -S mix phx.server

But I cannot tell for windows setup.

Post #7