Lacking documentation on change in javascript runtime installation behavior between classic and current ruby buildpack

heroku / buildpacks-ruby

Heroku's Cloud Native Buildpack for Ruby applications.

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Lacking documentation on change in javascript runtime installation behavior between classic and current ruby buildpack #296

Closed lilacstella closed 4 months ago

lilacstella commented 4 months ago

The ruby buildpack failed to automatically build in JRuby in https://github.com/heroku/jruby-getting-started/issues/26. This is due to the lack of a javascript runtime when building without the Node.js buildpack, there should be documentation regarding that when users upgrade from the classic version to CNBs. More details in #295.

We should add some clarification in https://github.com/heroku/buildpacks-ruby/blob/main/docs/upgrading.md.