Kernel Recipes 2015: Puma: Pooling Unused Memory in Virtual Machines for I/O intensive applications
Websockets on Rails
How ActionCable broke Puma : r/ruby
Puma vs Ratchet PHP | What are the differences?
ruby on rails - ActionCable websocket connection closed after 3 minutes - Stack Overflow
Real-Time Rails: Implementing WebSockets in Rails 5 with Action Cable | Heroku
Brad Gessler on Twitter: "The remaining problem I need to solve is finding a Ruby web server with websocket support, which Puma 6.1 shipped. I was trying to get ActionCable working on
Real-Time Rails: Implementing WebSockets in Rails 5 with Action Cable | Heroku