如何在docker文件中设置环境variables?
我的dockerfile的CMD是这样的: ["python", "myproject/start_slide_server.py"] 然而为了这个工作,我需要设置PYTHONPATH为/app ,这是我的项目的父目录 如果我启动docker进程并用bash覆盖CMD ,我可以运行以下命令 root@42e8998a8ff7:/app# export PYTHONPATH=. root@42e8998a8ff7:/app# python myproject/start_slide_server.py * Running on http://0.0.0.0:8090/ (Press CTRL+C to quit) * Restarting with stat * Debugger is active! * Debugger PIN: 236-035-556 它按预期工作 现在我添加该行 RUN export PYTHONPATH=/app 之前 CMD ["python" , "myproject/start_slide_server.py"] 它只是失败 Traceback (most recent call last): File "/app/myproject/start_slide_server.py", line 23, in <module> […]