anchor.diff:      && apt-get clean \
       && rm -rf /var/lib/apt/lists/*
   
  -#  install the packages necessary to build Python source:
  -RUN apt update && apt install -y build-essential zlib1g-dev libncurses5-dev libgdbm-dev \
  -    libnss3-dev libssl-dev libreadline-dev libffi-dev libbz2-dev \
  -    libncursesw5-dev libsqlite3-dev tk-dev libc6-dev ca-certificates \
  +
  +# install python
  +RUN apt-get update && apt-get install -y --no-install-recommends \
  +    python-dev \
  +    ca-certificates \
  +    && wget https://bootstrap.pypa.io/get-pip.py \
  +    && python get-pip.py \
  +    && pip install --upgrade pip setuptools \
       && apt-get clean \
       && rm -rf /var/lib/apt/lists/*
  -
  -# downland and install Python from soruce code
  -RUN PYTHON_VERSION="3.7.8" \
  -    && curl -O https://www.python.org/ftp/python/$PYTHON_VERSION/Python-$PYTHON_VERSION.tar.xz \
  -    && tar -xf Python-$PYTHON_VERSION.tar.xz \
  -    && rm -f Python-$PYTHON_VERSION.tar.xz \
  -    && cd ./Python-$PYTHON_VERSION \
  -    && ./configure --enable-optimizations \
  -    && make -j $(nproc) \
  -    && make install \
  -    && cd .. \
  -    && rm -rf ./Python-$PYTHON_VERSION \
  -    && ln -s /usr/local/bin/pip3.7 /usr/local/bin/pip \
  -    && ln -s /usr/local/bin/python3.7 /usr/local/bin/python
   
   # install dependencies of the HaploPainter.pl script used to generate static pedigree images
   RUN apt-get update && apt-get install -y --no-install-recommends \
  
positive.code:     && echo "deb http://packages.cloud.google.com/apt $CLOUD_SDK_REPO main" > /etc/apt/sources.list.d/google-cloud-sdk.list \
      && curl https://packages.cloud.google.com/apt/doc/apt-key.gpg | apt-key add - \
      && apt-get update && apt-get install -y \
          google-cloud-sdk \
      && apt-get clean \
      && rm -rf /var/lib/apt/lists/*
  
  RUN curl -LO https://storage.googleapis.com/kubernetes-release/release/$(curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt)/bin/linux/amd64/kubectl \
      && chmod +x ./kubectl \
  
negative.code: FROM debian:jessie
  
  MAINTAINER MacArthur Lab
  
  