code: def _nginx_http_spec(port_spec, bridge_ip):
      
      server_string_spec = "\t server {\n"
      server_string_spec += "\t \t {}\n".format(_nginx_max_file_size_string())
      server_string_spec += "\t \t {}\n".format(_nginx_listen_string(port_spec))
      server_string_spec += "\t \t {}\n".format(_nginx_server_name_string(port_spec))
      server_string_spec += _nginx_location_spec(port_spec, bridge_ip)
      server_string_spec += _custom_502_page()
      server_string_spec += "\t }\n"
      return server_string_spec
docs: This will output the nginx HTTP config string for specific port spec