Lynda下载器Docker 如何建造 docker build -t lyndadl . 怎么跑 mkdir -p courses docker run -v /full/path/to/host/directory/courses:/root/dlcourses lyndadl -u youruserdomain.com -p yourpassword https://www.lynda.com/URLOFTHECOURSE 帮助 docker run lyndadl -h 入口点脚本