Heroku deploy fails

[Louvivien]

Solidus Version:

To Reproduce

1. I go on the github and i click on the deploy app Heroku button
2. it fails

Current behavior

Here is the log:

-----> Building on the Heroku-20 stack
-----> Determining which buildpack to use for this app
! Warning: Multiple default buildpacks reported the ability to handle this app. The first buildpack in the list below will be used.
Detected buildpacks: Ruby,Node.js
See https://devcenter.heroku.com/articles/buildpacks#buildpack-detect-order
-----> Ruby app detected
-----> Installing bundler 2.3.10
-----> Removing BUNDLED WITH version in the Gemfile.lock
-----> Compiling Ruby/Rails
-----> Using Ruby version: ruby-2.7.1
-----> Installing dependencies using bundler 2.3.10
Running: BUNDLE_WITHOUT='development:test' BUNDLE_PATH=vendor/bundle BUNDLE_BIN=vendor/bundle/bin BUNDLE_DEPLOYMENT=1 bundle install -j4
Your bundle only supports platforms ["x86_64-darwin-19"] but your local platform
is x86_64-linux. Add the current platform to the lockfile with
bundle lock --add-platform x86_64-linux and try again.
Bundler Output: Your bundle only supports platforms ["x86_64-darwin-19"] but your local platform
is x86_64-linux. Add the current platform to the lockfile with
bundle lock --add-platform x86_64-linux and try again.
!
! Failed to install gems via Bundler.
!
! Push rejected, failed to compile Ruby app.
! Push failed

Expected behavior

Can you update the app to correct this?

Screenshots

Desktop (please complete the following information):

• OS: [e.g. iOS]
• Browser [e.g. chrome, safari]
• Version [e.g. 22]

Smartphone (please complete the following information):

• Device: [e.g. iPhone6]
• OS: [e.g. iOS8.1]
• Browser [e.g. stock browser, safari]
• Version [e.g. 22]

Additional context

[Louvivien]

I also tried to join Slack but it says I need to have an adress nebulab or supergood

[jarednorman]

There's an issue with our Slack setup. I'll look into that.

[jarednorman]

Sorry, I prematurely moved this to troubleshooting. This is a real bug, creating an issue from it.