python: can't open file 'examples/test.py': [Errno 13] Permission denied

[tianrenmaogithub]

Hi. I build the image successfully, but when I run the docker run it returned this error. I made the test.py executable by chmod +x examples/test.py but it didn't help.

[tianrenmaogithub]

I added :z to the end of $PWD:/app and it solved the issue. Thank you.