The CarrierWave gem provides us with an easy way to allow file uploads through forms.
In your Gemfile, include
We will be using the [Devise gem] to help us get started with authentication (are you who you say you are?) and authorization (are you allowed to do/see this?).
gem 'devise'to your Gemfile and
rails g devise:install
Devise will give you some setup instructions. We don't need to worry about most of them, but we do need to set a root URL. Usually, you will point the root URL to the index action of some important resource in your application: In