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Using global variables between files?

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The problem is you defined myList from main.py, but subfile.py needs to use it. Here is a clean way to solve this problem: move all globals to a file, I call this file settings.py. This file is responsible for defining globals and initializing them: # settings.py def init(): global myList myList = [] Next, your … Read more

How to mount host volumes into docker containers in Dockerfile during build

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It is not possible to use the VOLUME instruction to tell docker what to mount. That would seriously break portability. This instruction tells docker that content in those directories does not go in images and can be accessed from other containers using the –volumes-from command line parameter. You have to run the container using -v … Read more