anchor.diff:  ENV     GCLOUD_FILE_NAME=google-cloud-sdk-${GCLOUD_SDK_VERSION}-linux-x86_64.tar.gz
   ENV     GCLOUD_SDK_URL=https://dl.google.com/dl/cloudsdk/channels/rapid/downloads/${GCLOUD_FILE_NAME}
   ENV     CLOUDSDK_PYTHON_SITEPACKAGES 1
  -        # google cloud kubectl is superceeded by downloaded kubectl
  +# google cloud kubectl is superceeded by downloaded kubectl
   ENV     PATH $PATH:/google-cloud-sdk/bin
   
   ENV     ETCD_VERSION=v3.1.0
  
positive.code:         rm -rf linux-amd64 helm-${K8S_HELM_VERSION_1_6}-linux-amd64.tar.gz && \
          ln -s /opt/cnct/kubernetes/${LATEST}/bin/helm /usr/bin/
  
  # Python / ansible addon work
  ADD     build/requirements.txt /requirements.txt
  ADD     build/gcloud_tree.py /gcloud_tree.py
  ADD     tests/aws-testing.sh /aws-testing.sh
  
negative.code: ENV     HELM_HOME=/etc/helm
  ENV     HELM_PLUGIN=/etc/helm/plugins
  
  # Alpine
  
  ADD     build/alpine-builds /alpine-builds
  
  ENV     APK_PACKAGES="bash ca-certificates openssl openssh python py-pip py-cryptography py-cffi zip unzip wget util-linux"
  ENV     APK_DEV_PACKAGES="gcc g++ git make libffi-dev linux-headers musl-dev libc-dev openssl-dev python-dev unzip mkinitfs kmod mtools squashfs-tools"
  
  RUN     apk add --update --no-cache ${APK_PACKAGES} ${APK_DEV_PACKAGES} && \
      	/alpine-builds/build-docker.sh && \
          rm -rf /alpine-builds 
  
  # Terraform
  RUN     wget https://releases.hashicorp.com/terraform/${TERRAFORM_VERSION}/terraform_${TERRAFORM_VERSION}_linux_amd64.zip && \
  	unzip terraform_${TERRAFORM_VERSION}_linux_amd64.zip && \
          rm terraform_${TERRAFORM_VERSION}_linux_amd64.zip && \
          mv terraform /usr/bin/
  
  # Adding Terraform Provider Execute addon
  RUN     wget https://github.com/samsung-cnct/terraform-provider-execute/releases/download/${TF_PROVIDEREXECUTE_VERSION}/terraform-provider-execute_linux_amd64.tar.gz && \
          tar -zxvf terraform-provider-execute_linux_amd64.tar.gz && \
          rm terraform-provider-execute_linux_amd64.tar.gz && \
          mv terraform-provider-execute /usr/bin/
  
  # Adding Terraform CoreOS Box addon
  RUN 	wget https://github.com/samsung-cnct/terraform-provider-coreosbox/releases/download/${TF_COREOSBOX_VERSION}/terraform-provider-coreosbox_linux_amd64.tar.gz && \
  	tar -zxvf terraform-provider-coreosbox_linux_amd64.tar.gz && \
          rm terraform-provider-coreosbox_linux_amd64.tar.gz && \
          mv terraform-provider-coreosbox /usr/bin/
  
  # Adding Terraform Distro Image Selector addon
  RUN 	wget https://github.com/samsung-cnct/terraform-provider-distroimage/releases/download/${TF_DISTROIMAGE_VERSION}/terraform-provider-distroimage_linux_amd64.tar.gz && \
  	tar -zxvf terraform-provider-distroimage_linux_amd64.tar.gz && \
          rm terraform-provider-distroimage_linux_amd64.tar.gz && \
          mv terraform-provider-distro /usr/bin/
  
  # Etcd
  RUN     wget https://github.com/coreos/etcd/releases/download//${ETCD_VERSION}/etcd-${ETCD_VERSION}-linux-amd64.tar.gz && \
          tar -zxvf etcd-${ETCD_VERSION}-linux-amd64.tar.gz && \
          cp etcd-${ETCD_VERSION}-linux-amd64/etcdctl /usr/local/bin && \
          rm -rf etcd-${ETCD_VERSION}-linux-amd64/
  
  # Creating path for helm and kubectl executables
  RUN     mkdir -p /opt/cnct/kubernetes/v1.4/bin \
                   /opt/cnct/kubernetes/v1.5/bin \
                   /opt/cnct/kubernetes/v1.6/bin \
  