Reduce MindSpore docker image size

Signed-off-by: Nleonwanghui <leon.wanghui@huawei.com>

docker/README.md

@@ -7,17 +7,11 @@ This folder hosts all the `Dockerfile` to build MindSpore container images with
 * CPU
 
     ```
-    cd mindspore-cpu && docker build . -t mindspore/mindspore-cpu:0.1.0-alpha
+    cd mindspore-cpu/0.1.0-alpha && docker build . -t mindspore/mindspore-cpu:0.1.0-alpha
     ```
 
-* GPU (CUDA 9.2)
+* GPU
 
     ```
-    cd mindspore-cuda9.2 && docker build . -t mindspore/mindspore-cuda9.2:0.1.0-alpha
-    ```
-
-* GPU (CUDA 10.1)
-
-    ```
-    cd mindspore-cuda10.1 && docker build . -t mindspore/mindspore-cuda10.1:0.1.0-alpha
+    cd mindspore-gpu/0.1.0-alpha && docker build . -t mindspore/mindspore-gpu:0.1.0-alpha
     ```

docker/mindspore-cuda9.2/Dockerfile

-FROM nvidia/cuda:9.2-cudnn7-devel-ubuntu18.04
-
-MAINTAINER leonwanghui <leon.wanghui@huawei.com>
-
-# Set env
-ENV PYTHON_ROOT_PATH /usr/local/python-3.7.5
-ENV CMAKE_ROOT_PATH /usr/local/cmake-3.14.1
-ENV PATH ${PYTHON_ROOT_PATH}/bin:${CMAKE_ROOT_PATH}/bin:/usr/local/bin:$PATH
-
-# Install base tools
-RUN apt update \
-    && DEBIAN_FRONTEND=noninteractive apt install -y \
-    vim \
-    wget \
-    curl \
-    xz-utils \
-    net-tools \
-    openssh-client \
-    git \
-    ntpdate \
-    tzdata \
-    tcl \
-    sudo \
-    bash-completion
-
-# Install compile tools
-RUN DEBIAN_FRONTEND=noninteractive apt install -y \
-    gcc \
-    g++ \
-    zlibc \
-    make \
-    libgmp-dev \
-    patch \
-    autoconf \
-    libtool \
-    automake \
-    flex
-
-# Set bash
-RUN echo "dash dash/sh boolean false" | debconf-set-selections
-RUN DEBIAN_FRONTEND=noninteractive dpkg-reconfigure dash
-
-# Install python (v3.7.5)
-RUN apt install -y libffi-dev libssl-dev zlib1g-dev libbz2-dev libncurses5-dev \
-    libgdbm-dev libgdbm-compat-dev liblzma-dev libreadline-dev libsqlite3-dev \
-    && cd /tmp \
-    && wget https://github.com/python/cpython/archive/v3.7.5.tar.gz \
-    && tar -xvf v3.7.5.tar.gz \
-    && cd /tmp/cpython-3.7.5 \
-    && mkdir -p ${PYTHON_ROOT_PATH} \
-    && ./configure --prefix=${PYTHON_ROOT_PATH} \
-    && make -j4 \
-    && make install -j4 \
-    && rm -f /usr/local/bin/python \
-    && rm -f /usr/local/bin/pip \
-    && ln -s ${PYTHON_ROOT_PATH}/bin/python3.7 /usr/local/bin/python \
-    && ln -s ${PYTHON_ROOT_PATH}/bin/pip3.7 /usr/local/bin/pip \
-    && rm -rf /tmp/cpython-3.7.5 \
-    && rm -f /tmp/v3.7.5.tar.gz
-
-# Set pip source
-RUN mkdir -pv /root/.pip \
-    && echo "[global]" > /root/.pip/pip.conf \
-    && echo "trusted-host=mirrors.aliyun.com" >> /root/.pip/pip.conf \
-    && echo "index-url=http://mirrors.aliyun.com/pypi/simple/" >> /root/.pip/pip.conf
-
-# Install pip package
-RUN pip install --no-cache-dir \
-    numpy \
-    wheel \
-    nose \
-    pytest \
-    pytest-xdist
-
-# Install cmake (v3.14.1)
-RUN cd /tmp \
-    && wget https://github.com/Kitware/CMake/releases/download/v3.14.1/cmake-3.14.1-Linux-x86_64.sh \
-    && mkdir -p ${CMAKE_ROOT_PATH} \
-    && bash ./cmake-3.14.1-Linux-x86_64.sh --prefix=${CMAKE_ROOT_PATH} --exclude-subdir --skip-license \
-    && rm -f /tmp/cmake-3.14.1-Linux-x86_64.sh
-
-# Install MindSpore cuda-9.2 whl package
-RUN pip install --no-cache-dir https://ms-release.obs.cn-north-4.myhuaweicloud.com/0.1.0-alpha/MindSpore/gpu/cuda-9.2/mindspore-0.1.0-cp37-cp37m-linux_x86_64.whl

docker/mindspore-cuda10.1/Dockerfile → docker/mindspore-gpu/0.1.0-alpha/Dockerfile

-FROM nvidia/cuda:10.1-cudnn7-devel-ubuntu18.04
+FROM nvidia/cuda:10.1-cudnn7-runtime-ubuntu18.04
 
 MAINTAINER leonwanghui <leon.wanghui@huawei.com>
 
 # Set env
 ENV PYTHON_ROOT_PATH /usr/local/python-3.7.5
 ENV CMAKE_ROOT_PATH /usr/local/cmake-3.14.1
-ENV PATH ${PYTHON_ROOT_PATH}/bin:${CMAKE_ROOT_PATH}/bin:/usr/local/bin:$PATH
+ENV OMPI_ROOT_PATH /usr/local/openmpi-3.1.5
+ENV PATH ${PYTHON_ROOT_PATH}/bin:${CMAKE_ROOT_PATH}/bin:${OMPI_ROOT_PATH}/bin:/usr/local/bin:$PATH
 
 # Install base tools
 RUN apt update \
@@ -34,7 +35,9 @@ RUN DEBIAN_FRONTEND=noninteractive apt install -y \
     autoconf \
     libtool \
     automake \
-    flex
+    flex \
+    libnccl2=2.4.8-1+cuda10.1 \
+    libnccl-dev=2.4.8-1+cuda10.1
 
 # Set bash
 RUN echo "dash dash/sh boolean false" | debconf-set-selections
@@ -79,5 +82,17 @@ RUN cd /tmp \
     && bash ./cmake-3.14.1-Linux-x86_64.sh --prefix=${CMAKE_ROOT_PATH} --exclude-subdir --skip-license \
     && rm -f /tmp/cmake-3.14.1-Linux-x86_64.sh
 
+# Install openmpi (v3.1.5)
+RUN cd /tmp \
+    && wget https://download.open-mpi.org/release/open-mpi/v3.1/openmpi-3.1.5.tar.gz \
+    && tar -xvf openmpi-3.1.5.tar.gz \
+    && cd /tmp/openmpi-3.1.5 \
+    && mkdir -p ${OMPI_ROOT_PATH} \
+    && ./configure --prefix=${OMPI_ROOT_PATH} \
+    && make -j4 \
+    && make install -j4 \
+    && rm -rf /tmp/openmpi-3.1.5 \
+    && rm -f /tmp/openmpi-3.1.5.tar.gz
+
 # Install MindSpore cuda-10.1 whl package
 RUN pip install --no-cache-dir https://ms-release.obs.cn-north-4.myhuaweicloud.com/0.1.0-alpha/MindSpore/gpu/cuda-10.1/mindspore-0.1.0-cp37-cp37m-linux_x86_64.whl