version-3.def

BootStrap: docker
From: nvidia/cuda:10.1-cudnn7-devel-ubuntu18.04

%post
    # Downloads the latest package lists (important).
    apt-get update -y
    # Runs apt-get while ensuring that there are no user prompts that would
    # cause the build process to hang.
    # python3-tk is required by matplotlib.
    # python3-dev is needed to require some packages.
    DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
        python3 \
        python3-tk \
        python3-pip \
        python3-dev
    # Reduce the size of the image by deleting the package lists we downloaded,
    # which are useless now.
    rm -rf /var/lib/apt/lists/*
    # Install Pipenv.
    pip3 install pipenv

%environment
    # Pipenv requires a certain terminal encoding.
    export LANG=C.UTF-8
    export LC_ALL=C.UTF-8
    # This configures Pipenv to store the packages in the current working
    # directory.
    export PIPENV_VENV_IN_PROJECT=1