This is a Ruby on Rails ActionCable and websockets order app based on the tutorial by Melvin Ch'ng: https://melvinchng.github.io/rails/ActionCable.html
See the app in action (open in two separate browser windows to see realtime updates): https://lesleyhogg-orderapp.herokuapp.com/
Rails version: 5.1.4
Added to the tut:
- gem 'pg' (using postgresql instead of sqlite3 and redis)