Bundler::GemNotFound: Could not find mimemagic-0.3.5 in any of the sources on Rails project with Docker

ruby-on-rails ruby docker

bundle update --conservative mimemagic

also try with newer version rather than locking it.it worked for us with 0.3.9, but now there is 0.3.10(have not tried it),

ruby-on-rails ruby docker

Solved it using:

bundle update mimemagic

I was getting the error Your bundle is locked to mimemagic (0.3.5) from rubygems on bundle install.

This updated mimemagic version to 0.3.10 and added nokigiri and rake dependencies in Gemfile.lock for me.

ruby-on-rails ruby docker

You can modify your Gemfile as below:

gem 'mimemagic', github: 'mimemagicrb/mimemagic', ref: '01f92d86d15d85cfd0f20dabd025dcbd36a8a60f'

More details are here

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