pip_cache_path in Docker container
@safwanrahman we were discussing this in the chat to "fix the problem" of working under intermitent/slow internet connections. This would be only for development and not a setting for production actually.
I think the examples you propose (the "why is not a good idea") are valid. So, maybe we should limit this line https://github.com/rtfd/readthedocs.org/pull/3299/files#diff-d61f6aff9736141f30b581471d5d55ceR444 only when