Please read companion blog post: https://learnrubyblog.wordpress.com/2015/05/16/32-is-it-easy-to-build-a-social-network-using-rails/

SocialRails is a social networking site built with Ruby on Rails, Bootstrap and jQuery

How to get up and running

$ git clone https://github.com/rinoldsimon/SocialRails.git
$ cd SocialRails
$ bundle
$ rake db:migrate
$ rails s

Declare the provider in config/initializers/devise.rb

 config.omniauth :facebook, "YOUR APP SECRET", "YOUR APP ID", :secure_image_url => true
 config.omniauth :github, "YOUR APP SECRET", "YOUR APP ID", :scope =>'user,public_repo'

Setting up ActionMailer

config/environments/development.rb

 config.action_mailer.default_url_options = { host: 'localhost:3000' }
 
 config.action_mailer.delivery_method = :smtp
 ActionMailer::Base.smtp_settings = {
    :address => "smtp.gmail.com",
    :port    => 587,
    :domain  => "localhost:3000",
    :user_name  => "your user name",
    :password   => "your password",
    :authentication => :plain,
    :enable_starttls_auto => true
  }

config/environments/production.rb

 config.action_mailer.default_url_options = { host: 'example.com' }
 
 config.action_mailer.delivery_method = :smtp
 ActionMailer::Base.smtp_settings = {
    :address => "smtp.gmail.com",
    :port    => 587,
    :domain  => "example.com",
    :user_name  => "your user name",
    :password   => "your password",
    :authentication => :plain,
    :enable_starttls_auto => true
  }