builder for numpy, scipy to support multilinux

Author: hephaex

vendor/ngc-tensorflow/Dockerfile.20.12-tf2-py3

@@ -123,12 +123,13 @@ RUN curl -sL https://deb.nodesource.com/setup_10.x | bash - && \
     apt-get install -y nodejs
 
 WORKDIR /tmp
-RUN git clone --recursive https://github.com/bodono/scs-python.git  && \
-    cd /tmp/scs-python && \
-    python setup.py install --scs --gpu
+RUN cd /tmp && \
+    git clone --recursive https://github.com/bodono/scs-python.git  && \
+    cd scs-python && \
+    python3 setup.py install --scs --gpu
 
-COPY ./numpy-1.19.4-cp36-cp36m-manylinux2010_x86_64.whl /tmp
-COPY ./pandas-1.0.4+4.g29edbab4a-cp36-cp36m-linux_x86_64.whl /tmp
+ENV NUMPY_VERSION 1.19.4
+ENV SCIPY_VERSION 1.5.4
 RUN python3 -m pip install --no-cache-dir \ 
     	    Cython==0.29.21 \
 	    tornado==6.0.4 \
@@ -137,17 +138,19 @@ RUN python3 -m pip install --no-cache-dir \
 	    jupyter==1.0.0 \
 	    python-language-server[all] \	    
 	    matplotlib==3.3.3 
-ENV SCIPY_VERSION 1.5.4
+RUN git clone --branch=v${NUMPY_VERSION} --depth=1 https://github.com/numpy/numpy.git numpy && \
+    cd numpy && \
+    git checkout -b v${NUMPY_VERSION} && \
+    cp site.cfg.example site.cfg && \
+    python3 setup.py bdist_wheel -d /tmp 
+
 # Install scipy
 RUN cd /tmp && \
     git clone --branch=v${SCIPY_VERSION} --depth=1 https://github.com/scipy/scipy.git scipy && \
     cd scipy && \
     git checkout -b v${SCIPY_VERSION} && \  
     cp site.cfg.example site.cfg && \
-    python3 -m pip install -U --no-cache-dir \
-        /tmp/numpy-1.19.4-cp36-cp36m-manylinux2010_x86_64.whl \
-    	/tmp/pandas-1.0.4+4.g29edbab4a-cp36-cp36m-linux_x86_64.whl \
-	&& \
+    python3 -m pip install -U --no-cache-dir /tmp/numpy-*.whl && \
     python3 setup.py install 
 
 WORKDIR /tmp
@@ -210,7 +213,7 @@ RUN apt autoclean && \
     rm -rf /tmp/*
 
 # Install ipython kernelspec
-RUN /usr/bin/python3 -m ipykernel install --display-name "Python 3.6 (NGC 20.12 / TensorFlow 2.3) on Backend.AI" && \
+RUN /usr/bin/python3 -m ipykernel install --display-name "Python 3.8 (NGC 20.12 / TensorFlow 2.3) on Backend.AI" && \
     cat /usr/local/share/jupyter/kernels/python3/kernel.json
 
 # Backend.AI specifics