code: def start(self):
          
          plugins = voltron.plugin.pm.web_plugins
          self.app = DispatcherMiddleware(
              RootFlaskApp(),
              {
                  "/api": APIFlaskApp(server=self),
                  "/view": SharedDataMiddleware(
                      None,
                      {'/{}'.format(n): os.path.join(p._dir, 'static') for (n, p) in six.iteritems(plugins)}
                  ),
                  "/ui": ui_app
              }
          )
  
          def run_listener(name, cls, arg):
              # with pysigset.suspended_signals(signal.SIGCHLD):
              log.debug("Starting listener for {} socket on {}".format(name, str(arg)))
              s = cls(*arg)
              t = threading.Thread(target=s.serve_forever)
              t.daemon = True
              t.start()
              self.threads.append(t)
              self.listeners.append(s)
  
          if voltron.config.server.listen.tcp:
              run_listener('tcp', ThreadedVoltronWSGIServer, list(voltron.config.server.listen.tcp) + [self.app])
  
          if voltron.config.server.listen.domain and sys.platform != 'win32':
              path = os.path.expanduser(str(voltron.config.server.listen.domain))
              try:
                  os.unlink(path)
              except:
                  pass
              run_listener('domain', ThreadedUnixWSGIServer, [path, self.app])
  
          self.is_running = True
docs: Start the server.