Example login and integration with facebook using Rails and gem omniauth-facebook.

Background jobs are used to:
generate the server tokem
and to seek User data once per minute.

you will need:

• The first thing we need to do is set up a Facebook application.
• Get the "app id" and save the environment variable FACEBOOK_KEY
• Get the "app secret" and save the environment variable FACEBOOK_SECRET
• To run on localhost: 3000, seven "Site URL" as http://localhost:3000

Ruby version

ruby 2.2.0

Dependencies

Sidekiq
Sidetiq
Omniauth-facebook

Running

Sidekiq run in a terminal and another terminal run the server
bundle exec sidekiq
rails s