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I'm on yarn version 3.2.0 and trying to deploy a project on Heroku and it's telling me that I need the yarnrc.yml file but it is missing. I've tried running yarn, yarn install, yarn set version berry, and yarn set version stable but the file will not auto generate. I also created a brand new project and tried yarn init -2 but still no rc file.. Any suggestions?

hiddencilantro
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1 Answers1

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had the same problem, I ended up creating the file by myself. Take care, that the error message from Heroku is missleading and the file requires a prefixed dot: .yarnrc.yml

First line is for opting out of Plug&Play, second line points to the local yarn release (might depend on your version)

nodeLinker: node-modules
yarnPath: .yarn/releases/yarn-3.2.1.cjs
Karl Adler
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  • This works for me, but you would still need to run `$ yarn install, and $ yarn set version berry`. Then you should be good to go – Godstime Oct 07 '22 at 10:39
  • this worked for me. Created the file and only set the nodeLinker inside as stated in the documentation here https://yarnpkg.com/getting-started/migration#if-required-enable-the-node-modules-plugin – M . Franklin Jul 23 '23 at 09:26