ykostov

ykostov

Mix command not found on Heroku run

Deploying on Heroku a Elixir Phoenix project it is saying that mix command not found on command heroku run 'POOL_SIZE=2 mix test.task'

I pushed the code before running and followed the tutorial on elixir docs carefully.

To mention - mix phx.server and all other mix commands are workin just fine. Elixir version: 1.11.2

$ heroku run "POOL_SIZE=2 mix hello.task"
 ›   Warning: heroku update available from 7.52.0 to 7.53.1.
Running POOL_SIZE=2 mix hello.task on ⬢ bgsites... up, run.4395 (Free)
bash: mix: command not found

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sanswork

sanswork

Can you paste the output of “heroku buildpacks”

jhefreyzz

jhefreyzz

maybe you should use this buildpack along with the current buildpack you’re using.

Taken from the docs: heroku create --buildpack hashnuke/elixir

sanswork

sanswork

If you didn’t create the app using the command @jhefreyzz mentioned you need to do the following:

heroku buildpacks:clear
heroku buildpacks:set hashnuke/elixir
heroku buildpacks:add https://github.com/gjaldon/heroku-buildpack-phoenix-static.git

That should sort it out for you

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