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Scalable chat application with Play and WebSockets

This is a version of the Play websockets chat sample that uses redis pub/sub to allow for a single chatroom that works across multiple nodes.


The application requires a Redis connection. This is configured in applicaiton.conf:

# Redis configuration

Set the URL into an environment variable or delete this line to run Redis locally on the default port.

Once setting up Redis you can run with

$ play run

Running on Heroku

$ heroku create --buildpack
$ heroku labs:enable websockets
$ heroku addons:add rediscloud
$ git push heroku master
$ heroku open
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