How to upload a file in ruby on rails?

Question

I’m very new in ruby on rails. I’m stuck with a problem. I want to make a file upload functionality through which I can upload any kind of file (text,image etc.). My controller

Answer 1

Another great option would be carrierwave, which is very simple to install and the guide on github can have you up and running in a matter of minutes. Add it to your gemfile then run bundle install

There's also a good railscast on the subject