If you install a package with pip’s --user option, all its files will be installed in the .local directory of the current user’s home directory.
One of the recommendations for Python multi-stage Docker builds. Thanks to pip install --user, the packages won't be spread across 3 different paths.
pip is a package manager. conda is both a package manager and an environment maanger.
conda vs pip:
Host your own library
Read about how to use all of the things you installed.
pip = A tool for installing and managing Python packages
nose = A testing package for Python
virtualenv = A Virtual Python Environment builder; helps you avoid updating libraries when you shouldn't
distribute= Easily download, build, install, upgrade, and uninstall Python packages
Three things are required to fully guarantee a repeatable installation using requirements files.
"Ensuring Repeatability"