Error stating that “bcrypt-ruby is not part of the bundle”, how can I add bcrypt-ruby to Gemfile?

Question

When I add has_secure_password to the model (inherited from ActiveRecord::Base), error stating that \"bcrypt-ruby is not part of the bundle\" occurs.

Here the log is

Answer 1

In your Gemfile add a line

gem 'bcrypt-ruby'

and then from the command line

bundle install