Add an aside callout about dockerfile-rails gem#1184
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heliocola wants to merge 1 commit into
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rubys
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Jun 11, 2024
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Thanks for this, and sorry for the long delay! Good catch. I've re-applied it in #2421 with a small polish (fixed the gem name typo, linked the canonical |
kcmartin
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Jul 2, 2026
Running 'bin/rails generate dockerfile' on an older Rails app that predates the dockerfile-rails gem fails with 'Could not find generator dockerfile'. Add a callout pointing users to add the gem first. Supersedes #1184.
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Summary of changes
Add a notice about dockerfile-rails gem
Related Fly.io community and GitHub links
Update the
Updatesection here: https://fly.io/docs/rails/getting-started/dockerfiles/#updatesNotes
If you have a Rails app that was created a while ago, you may not have dockerfile-rails gem in your Gemfile, so this command will not work! :-D