I’m getting this error when trying to deploy a Rails 7 API only with React frontend monorepo.
I’ve specified the ruby version as mentioned in other posts like below.
In my .ruby-version I have 3.2.2
In my Gemfile I specify the ruby version with ruby File.read(‘.ruby-version’).strip
I have previously successfully deployed a rails app (not API only) that used ruby version 3 so I’m not sure what I’m missing with this one.
.ruby-version in the root of your repo? If they’re not in the root, (e.g. in a monorepo setup), they won’t be detected. That’s where the Root Directory setting can help.
Yes, on this project I had the rails app under a backend/ directory instead of the root directory. Doing as you said and setting “rootDir: backend” fixed the error.
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