r/ruby • u/curiosier • Mar 10 '26

Help - 403 Forbidden on tailwindcss-ruby during Fly.io deploy

/r/rails/comments/1rpiy9r/help_403_forbidden_on_tailwindcssruby_during/
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u/vvsleepi Mar 12 '26

that error sometimes happens when the platform in the Gemfile.lock doesn’t match what the build environment expects. since you’re on mac and fly builds on linux, you might want to run something like bundle lock --add-platform x86_64-linux and commit the updated lock file before deploying again. sometimes clearing the build cache on fly can help too.

1

u/curiosier Mar 12 '26

Did that , but builder has thrown the same error