anchor.diff:  FROM python:3
   
  -RUN apt-get update && apt-get install unzip
  +RUN apt-get update && apt-get install unzip wget
  +
  +# Set starkandwayne repo and install bosh
  +RUN wget -q -O - https://raw.githubusercontent.com/starkandwayne/homebrew-cf/master/public.key | apt-key add - && \
  +    echo "deb http://apt.starkandwayne.com stable main" | tee /etc/apt/sources.list.d/starkandwayne.list && \
  +    apt-get -y -qq update && \
  +    apt-get -y -qq install bosh-cli
  +
  +# packer
   RUN pip install mock jinja2 boto3
   RUN wget https://releases.hashicorp.com/packer/1.0.0/packer_1.0.0_linux_amd64.zip \
           && unzip packer_1.0.0_linux_amd64.zip \
  
positive.code: RUN go install github.com/onsi/ginkgo/...
  RUN go get -u golang.org/x/lint/golint
  
  # Cleanup
  RUN rm -rf /tmp/docker-build
  
negative.code:         && chmod +x packer \
          && mv packer /usr/bin
  
  # Golang
  ENV GO_VERSION=1.12.1
  ENV GO_SHA256SUM=2a3fdabf665496a0db5f41ec6af7a9b15a49fbe71a85a50ca38b1f13a103aeec
  
  