 http_add_worker(+Port, 
+Options)Add a new worker to the HTTP server for port Port. Options 
overrule the default queue options. The following additional options are 
processed:
http_add_worker(+Port, 
+Options)Add a new worker to the HTTP server for port Port. Options 
overrule the default queue options. The following additional options are 
processed:
- max_idle_time(+Seconds)
- The created worker will automatically terminate if there is no new work 
within Seconds.