A class project at online school for rails developers Thinknetica.com

Professional grade web application

• A guest can read all the questions and answers as well as the comments to both
• A guest can also search through the entire application (full-text search)
• A guest can register himself by completing the form or by using his Twitter or Facebook account
• Registered user can ask a question, give an answer or leave a comment to any of both
• User can also attach a file to his question or answer
• There are options for a user for editing or deleting his question or answer
• User can also vote up or down for a question or specific answer
• Author of a question can check an answer as the best suitable answer for him
• When there is a new answer for a question, the author receives an email about this event
• Every user can receive a 24h digest which consists of a list of new questions
• Every user immediately sees a new question in the list of questions when it is created by someone else
• Also if you are at a question page and someone else has left a comment here you will see it immediately
• A third party application can use API for work with questions/answers

• Ruby 2.3.7 and Rails 5
• PostgreSQL 9.3
• Sphinx 2.0.4 as a search engine
• Doorkeeper: OAuth provider, REST API
• SendGrid: transaction email provider
• ActiveJob/Sidekiq: Delayed mail delivery
• Redis: cache store and queue store for Sidekiq
• PrivatePub/Faye: Websockets messaging (new question or new comment)
• Authentication: Devise 4.2 + OAuth (Twitter, Facebook)
• Authorization: CanCanCan
• There is AJAX functionality for better responsiveness (voting, editing, etc.)
• Made with BDD/TDD approach (RSpec)

• This app is deployed at http://qna.kudashkin.pro
• Production server is powered by Nginx + Unicorn on Ubuntu LTS 14 Server
• Whenever: crontab tasks
• Dotenv: ENV variables
• Capistrano for deploying

I'm planning to change PrivatePub to ActionCable in a couple of weeks.
Also I'm willing to try Pundit for Authorization.