Captcha for devise
Make devise sign_in , sing_out model
Then install
gem 'easy_captcha'
gem ‘devise_security_extension’
in config/initializers.rb add the options
# captcha integration for sign up form
config.captcha_for_sign_up = true # captcha integration for sign in form config.captcha_for_sign_in = true # captcha integration for unlock form config.captcha_for_unlock = true
Then in your view files where you want captcha just add
<p><%= captcha_tag %></p>
<p><%= text_field_tag :captcha %></p>
thats all