{"id" : "foo-app",
"cmd" : "cd foo-app && bundle install && bundle exec unicorn -p $PORT",
"mem" : 512,
"cpu" : 1.0,
"instances" : 5,
"uris" : ["http://<url-to-your-tarball-zip-or-jar"],
"env" : [<your-list-env-variables>],
"ports" : [8080],
"constraints" : ["hostname", "UNIQUE", ""]
}