How do I configure OmniAuth for my Rails application?

How do I configure OmniAuth for my Rails application?

To configure OmniAuth, you'll need to add the gem to your Gemfile and set up an initializer.

What do I need to include in the initializer?

In the initializer, you should specify the providers you want to use, along with their keys and secrets.

Can you give me an example of a provider configuration?

Sure! For example, for GitHub, you would add:

Rails.application.config.middleware.use OmniAuth::Builder do
  provider :github, 'GITHUB_CLIENT_ID', 'GITHUB_CLIENT_SECRET'
end

What if I want to add multiple providers?

You can add multiple providers in the same initializer by repeating the provider line for each one.