server {
    listen 80;
    server_name example.com;
    location / {
        dyups_interface;
        # "marathon-rest-api地址#应用id:应用端口"
        set $marathon_app "marathon:8080#your-awesome-app:4000";
        set $upstream "";
        access_by_lua_file "lua/marathon-app.lua";
        proxy_pass http://$upstream;
    }
}