data-science-stack.Dockerfile should use data-science-stack

[mattf]

data-science-stack/data-science-stack.Dockerfile

Lines 42 to 58 in 617900a

	RUN curl https://repo.anaconda.com/miniconda/Miniconda3-py37_${CONDA_VERSION}-Linux-x86_64.sh -k -o /miniconda.sh \
	&& sh /miniconda.sh -b -p ${CONDA_ROOT} \
	&& rm -f /miniconda.sh \
	&& echo "conda ${CONDA_VERSION}" >> /conda/conda-meta/pinned \
	&& ${CONDA_ROOT}/bin/conda init bash \
	&& echo "#!/bin/bash\n\
	source /conda/bin/activate data-science-stack-${STACK_VERSION}\n\
	jupyter-lab --allow-root --ip=0.0.0.0 --no-browser --NotebookApp.token='' --notebook-dir=${NOTEBOOKS_DIR}" > /run-jupyter \
	&& chmod 755 /run-jupyter \
	&& mkdir -p ${NOTEBOOKS_DIR} \
	&& cd ${NOTEBOOKS_DIR} \
	&& git clone --single-branch --depth 1 --branch branch-${RAPIDS_VERSION} \
	https://github.com/rapidsai/notebooks.git \
	&& cd notebooks \
	&& git submodule update --init --remote \
	&& rm -rf .git \
	&& rm -rf `find repos/ -maxdepth 2 -mindepth 2 | grep -v notebooks`

these lines can be replaced by a RUN data-science-stack install install-miniconda and install-notebooks

this will reduce code duplication and the number of places versions need to be updated