# Install dependencies for pyenv
RUN apt-get update && apt-get install -y ${'\\'}
  libbz2-dev ${'\\'}
  libncurses5-dev ${'\\'}
  libncursesw5-dev ${'\\'}
  libreadline-dev ${'\\'}
  libsqlite3-dev ${'\\'}
  libssl-dev ${'\\'}
  llvm ${'\\'}
  mercurial ${'\\'}
  zlib1g-dev && apt-get clean

# Install Pyenv and dev Python versions 3.{5,6,7}
RUN curl -L https://raw.githubusercontent.com/yyuu/pyenv-installer/master/bin/pyenv-installer | bash
ENV PATH /root/.pyenv/bin:$PATH
RUN eval "$(pyenv init -)"
RUN eval "$(pyenv virtualenv-init -)"
RUN pyenv update
RUN pyenv install 3.5-dev
RUN pyenv install 3.6-dev
RUN pyenv install 3.7-dev
RUN pyenv install pypy-5.3.1
RUN pyenv local 3.5-dev 3.6-dev 3.7-dev pypy-5.3.1