anchor.diff:    rm -rf /tmp/fleet-v${VERSION_FLEET}-linux-amd64 /tmp/fleet-v${VERSION_FLEET}-linux-amd64.tar.gz
   #ENV FLEETCTL_ENDPOINT http://10.1.42.1:4001
   
  -# etcdctl
  -ENV VERSION_ETCD 2.0.11
  +# etcdctl - https://github.com/coreos/etcd/releases
  +ENV VERSION_ETCD 2.0.12
   WORKDIR /tmp
   RUN wget -nv https://github.com/coreos/etcd/releases/download/v${VERSION_ETCD}/etcd-v${VERSION_ETCD}-linux-amd64.tar.gz && \
     tar -xvf etcd-v${VERSION_ETCD}-linux-amd64.tar.gz && \
  
positive.code: # rsync client needed for deployment
  RUN /xt/tools/_apt_install rsync
  
  # kubernetes
  ENV VERSION_KUBERNETES 0.18.2
  RUN wget https://storage.googleapis.com/kubernetes-release/release/v${VERSION_KUBERNETES}/bin/linux/amd64/kubectl \
      && chmod +x kubectl \
      && mv kubectl /usr/local/bin/
  
  # fleetctl
  ENV VERSION_FLEET 0.10.1
  WORKDIR /tmp
  RUN wget -nv https://github.com/coreos/fleet/releases/download/v${VERSION_FLEET}/fleet-v${VERSION_FLEET}-linux-amd64.tar.gz && \
  
negative.code: RUN echo "set-option -g default-shell /bin/zsh" > /root/.tmux.conf
  RUN echo "export TERM=xterm-color" >> /root/.bashrc
  WORKDIR /prj
  CMD ["zsh"]
  