anchor.diff:      mv /tmp/dist /usr/local/yarn && \
       ln -s /usr/local/yarn/bin/yarn /usr/local/bin/yarn
   
  +# Install Shellcheck
  +RUN cd /tmp && \
  +    wget --quiet https://storage.googleapis.com/shellcheck/shellcheck-${SHELLCHECK_VERSION}.linux.x86_64.tar.xz && \
  +    tar xJf shellcheck-${SHELLCHECK_VERSION}.linux.x86_64.tar.xz && \
  +    mv /tmp/shellcheck-${SHELLCHECK_VERSION}/shellcheck /usr/local/bin/shellcheck
  +
   # Install Chrome for installer gui tests
   # Use Chrome beta because v60 or higher is needed for headless mode
   RUN wget --quiet -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | apt-key add - && \
  
positive.code: 
  RUN apt-get update && \
      apt-get install --no-install-recommends -y -q \
      build-essential sudo curl wget git autoconf automake unzip libtool jq shellcheck awscli gnupg1 \
      openvpn xvfb xauth
  
  # Install Terraform
  
negative.code: ### License parser
  RUN go get github.com/coreos/license-bill-of-materials
  
  ### Install Shellcheck, Terraform, NodeJS and Yarn
  ENV SHELLCHECK_VERSION="v0.4.6"
  ENV TERRAFORM_VERSION="0.9.6"
  ENV NODE_VERSION="v8.1.2"
  ENV YARN_VERSION="v0.24.6"
  