How to run multiple commands in docker at once

In order to run multiple commands in docker, use /bin/bash -c with a semicolon ;

码头工人运行图片/bin/bash -c "cd /some/path; python a.py"

In this case the second command (python) will be executed only if the first command (cd) returns no error or an exit status. To avoid this use && instead of ; (semi-colon)

码头工人运行图片/bin/bash -c "cd /some/path && python a.py"