anchor.diff:  ADD https://github.com/krallin/tini/releases/download/${TINI_VERSION}/tini-static /tini
   RUN chmod +x /tini
   ENTRYPOINT ["/tini", "--"]
  +ENV INITSYSTEM tini
   
   USER xena
   CMD /bin/zsh
  
positive.code: ENV LANG en_US.UTF-8
  ENV LC_CTYPE en_US.UTF-8
  
  # To use Docker please pass the docker socket as a bind mount
  # Some of my servers still use docker 1.3.0
  RUN wget https://get.docker.com/builds/Linux/x86_64/docker-1.3.0 -O /usr/local/bin/docker && \
      chmod 555 /usr/local/bin/docker
  
  # Golang compilers
  RUN cd /usr/local && wget https://storage.googleapis.com/golang/go1.5.linux-amd64.tar.gz && \
      tar xf go1.5.linux-amd64.tar.gz && rm go1.5.linux-amd64.tar.gz
  
  ADD setup.sh /opt/xena/setup.sh
  ADD ./vimplugins.lua /opt/xena/vimplugins.lua
  RUN chmod 777 /opt/xena/setup.sh &&\
      su xena "/opt/xena/setup.sh"
  
  RUN dnf -y install dnf-plugins-core &&\
      yes | dnf copr enable xena/moonscript &&\
      dnf -y install lua-moonscript &&\
  
negative.code: FROM fedora:22
  
  RUN dnf -y groupinstall "Development Tools" &&\
      dnf -y install \
        tar \
        zsh \
        git \
        python \
        wget \
        openssl-devel \
        vim-enhanced \
        tmux \
        dtach \
        cmake \
        python-devel \
        mercurial \
        lua \
        luarocks \
        gcc-c++ \
        xz \
        clang-devel \
        php \
        file \
        net-tools &&\
      useradd --create-home xena && \
      echo 'root:screencast' | chpasswd && \
      echo 'xena:user' | chpasswd && \
  