key.pub'

我只想从我的目录开始运行crossbar，以这种方式连接音量

antonio@debian:~/dev/just-server$ sudo docker run -v ${PWD}:/node -p 8080:8080 -it crossbario/crossbar

但我得到这个错误：

 2017-06-28T19:46:25+0000 [Controller 1] Traceback (most recent call last): 2017-06-28T19:46:25+0000 [Controller 1] File "/usr/local/bin/crossbar", line 11, in <module> 2017-06-28T19:46:25+0000 [Controller 1] sys.exit(run()) 2017-06-28T19:46:25+0000 [Controller 1] File "/usr/local/lib/python3.6/site-packages/crossbar/controller/cli.py", line 1109, in run 2017-06-28T19:46:25+0000 [Controller 1] options.func(options, reactor=reactor) 2017-06-28T19:46:25+0000 [Controller 1] File "/usr/local/lib/python3.6/site-packages/crossbar/controller/cli.py", line 665, in run_command_start 2017-06-28T19:46:25+0000 [Controller 1] pubkey = node.maybe_generate_key(options.cbdir) 2017-06-28T19:46:25+0000 [Controller 1] File "/usr/local/lib/python3.6/site-packages/crossbar/controller/node.py", line 371, in maybe_generate_key 2017-06-28T19:46:25+0000 [Controller 1] os.chmod(pubkey_path, 420) 2017-06-28T19:46:25+0000 [Controller 1] PermissionError: [Errno 1] Operation not permitted: '/node/.crossbar/key.pub'

我怎么解决？

提前的问候。