anchor.diff:  RUN     wget -q https://storage.googleapis.com/kubernetes-release/release/${K8S_VERSION_1_7}/bin/linux/amd64/kubectl && \
           chmod a+x kubectl && \
           mv kubectl /opt/cnct/kubernetes/v1.7/bin
  +RUN     wget -q https://storage.googleapis.com/kubernetes-release/release/${K8S_VERSION_1_8}/bin/linux/amd64/kubectl && \
  +        chmod a+x kubectl && \
  +        mv kubectl /opt/cnct/kubernetes/v1.8/bin
   
   
   # Helm
  
positive.code: RUN     mkdir -p /opt/cnct/kubernetes/v1.5/bin \
                   /opt/cnct/kubernetes/v1.6/bin \
                   /opt/cnct/kubernetes/v1.7/bin \
                   /etc/helm/plugins
  
  # Kubectl
  
negative.code:         tar -zxvf helm-${K8S_HELM_VERSION_1_7}-linux-amd64.tar.gz  && \
          mv linux-amd64/helm /opt/cnct/kubernetes/v1.7/bin/helm  && \
          rm -rf linux-amd64 helm-${K8S_HELM_VERSION_1_7}-linux-amd64.tar.gz
  RUN     wget -q http://storage.googleapis.com/kubernetes-helm/helm-${K8S_HELM_VERSION_1_8}-linux-amd64.tar.gz  && \
          tar -zxvf helm-${K8S_HELM_VERSION_1_8}-linux-amd64.tar.gz  && \
          mv linux-amd64/helm /opt/cnct/kubernetes/v1.8/bin/helm  && \
          rm -rf linux-amd64 helm-${K8S_HELM_VERSION_1_8}-linux-amd64.tar.gz
  
  RUN ln -s /opt/cnct/kubernetes/${LATEST} /opt/cnct/kubernetes/latest && \
           ln -s /opt/cnct/kubernetes/${LATEST}/bin/kubectl /usr/bin/ && \
  