How to Share a Session Between Sinatra and Rails

As Rails developers, we run into Sinatra apps all the time: gems such as Resque which expose a dashboard via Sinatra, legacy Sinatra apps that run alongside a main Rails app, and Sinatra APIs embedded within a Rails app, to name a few examples. Here’s a common problem: how do you share authentication between the apps? It would be really convenient to be able to do something like this in our Sinatr

[suginoy]

あとで読む

[willnet]

Railsのmiddlewareをsinatraでも使うようにして、キーを共有すれば両方の環境でセッション使えるらしい