anchor.diff:          libzmq3-dev \
           locate \
           pkg-config \
  -        python-dev \
           rsync \
           software-properties-common \
           sudo \
  
positive.code: #End: install delve
  
  WORKDIR "/go/src/github.com/ctava/tfcgo/examples"
  #CMD ["/bin/bash"]
  
negative.code:         && \
      apt-get clean && \
      rm -rf /var/lib/apt/lists/*
  #End: install prerequisites
  
  #Begin: install golang
  ENV GOLANG_VERSION 1.10.1
  ENV GOLANG_DOWNLOAD_URL https://golang.org/dl/go$GOLANG_VERSION.linux-amd64.tar.gz
  ENV GOLANG_SHA256_CHECKSUM 72d820dec546752e5a8303b33b009079c15c2390ce76d67cf514991646c6127b
  ENV GOPATH /go
  ENV PATH $PATH:$GOPATH/bin:/usr/local/go/bin
  RUN curl -fsSL "$GOLANG_DOWNLOAD_URL" -o golang.tar.gz && \
  