$ go get

$ PORT=8080 REDIS_URL=redis://localhost:6379 ./muxd

$ heroku create -b https://github.com/kr/heroku-buildpack-go.git
$ heroku addons:add redistogo
$ git push heroku master

# listen for items coming into foobar
$ curl http://localhost:8080?channel=foobar

# write to foobar
$ curl -X POST -d data=neato http://localhost:8080?channel=foobar