Best practice to use puma with websockets · Issue #589 · puma/puma · GitHub
AnyCable Goes Pro: Fast WebSockets for Ruby, at scale—Martian Chronicles, Evil Martians' team blog
Kernel Recipes 2015: Puma: Pooling Unused Memory in Virtual Machines for I/O intensive applications
Do you really need WebSockets? : r/ruby
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