anchor.diff:  MAINTAINER Michael Venezia <mvenezia@gmail.com>
   
   ENV     TERRAFORM_VERSION=0.8.6
  +ENV     TF_SHA256=2b4f330e70b757a640ba8d4e1eada86445240b5f8cd43194d878e0c05175f6c0
   ENV     TF_COREOSBOX_VERSION=v0.0.3
  +ENV     TF_COREOSBOX_SHA256=88b3b3dd4479748813f9ab30d7fdb9915f303dd5c7b6ae250be5b81e56a9b9c9
   ENV     TF_DISTROIMAGE_VERSION=v0.0.1
  +ENV     TF_DISTROIMAGE_SHA256=df118caec199d650f5aad53051ca1e11f6b054880e9816cc6a5a38f178446ade
   ENV     TF_PROVIDEREXECUTE_VERSION=v0.0.4
  +ENV     TF_PROVIDEREXECUTE_SHA256=c0cdb640e1640210d6bcbda3fa37db0fac8fbd9af39597a765ad7606dd73be7f
   
   ENV     GCLOUD_SDK_VERSION=162.0.0
  -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     GCLOUD_SHA256=4a2fcf7c91830b9a3460dcdb716f37882e2555b8ca22e30b403108e5e4be3158
  +ENV     GCLOUD_SDK_URL=https://dl.google.com/dl/cloudsdk/channels/rapid/downloads/google-cloud-sdk-${GCLOUD_SDK_VERSION}-linux-x86_64.tar.gz
   ENV     CLOUDSDK_PYTHON_SITEPACKAGES 1
  -# google cloud kubectl is superceeded by downloaded kubectl
  +# Google cloud kubectl is superseded by downloaded kubectl
   ENV     PATH $PATH:/google-cloud-sdk/bin
   
   ENV     ETCD_VERSION=v3.2.5
  +ENV     ETCD_SHA256=44a05f6d392a754329086f7a5356d1727d5fb19f331f48fd8109a8b24ef9616c
   ENV     ETCDCTL_API=3
   
   ENV     K8S_VERSION=v1.8.1
   ENV     K8S_HELM_VERSION=v2.7.0
   
  -ENV     K8S_VERSION_1_5=v1.5.8
   ENV     K8S_VERSION_1_6=v1.6.11
  +ENV     K8S_1_6_SHA256=c11e96a89b1e825104b7a6fe93eca4809190c3ba08871754a0d2f11fa58871f8
   ENV     K8S_VERSION_1_7=v1.7.8
  +ENV     K8S_1_7_SHA256=c4fd350f9fac76121dda479c1ceba2d339b19f8806aa54207eff55c9c6896724
   ENV     K8S_VERSION_1_8=v1.8.2
  +ENV     K8S_1_8_SHA256=c5c258b0728d9c0806b34079e130f21f304439c9a824d46ce3d62ad4dbeeb0d0
   
  -ENV     K8S_HELM_VERSION_1_5=v2.3.1
   ENV     K8S_HELM_VERSION_1_6=v2.5.1
  +ENV     HELM_2_5_SHA256=0ea53d0d6086805f8f22c609a2f1b5b21ced96d5cf4c6a4a70588bc3822e79c2
   ENV     K8S_HELM_VERSION_1_7=v2.6.2
  +ENV     HELM_2_6_SHA256=ba807d6017b612a0c63c093a954c7d63918d3e324bdba335d67b7948439dbca8
   ENV     K8S_HELM_VERSION_1_8=v2.7.0
  +ENV     HELM_2_7_SHA256=5a106eb569d873669adacba28ff8297293200bd6dc67b379af61027eb05b6118
   
  -#Latest version of tools
  +ENV     CRASH_APP_SHA256=7f0697cf50a98d87a14be5d4c2d2a31a166df8d7a5eed830a90ead8b49bf3d97
  +
  +# Latest version of tools
   ENV     LATEST=v1.8
   ENV     K8S_VERSION_LATEST=$K8S_VERSION_1_8
   ENV     K8S_HELM_VERSION_LATEST=$K8S_HELM_VERSION_1_8
  
positive.code:         rm -rfv /var/cache/apk/*
  
  # Google cloud work (copied from https://github.com/GoogleCloudPlatform/cloud-sdk-docker/blob/master/alpine/Dockerfile )
  RUN     wget -q ${GCLOUD_SDK_URL} && \
          tar xzf ${GCLOUD_FILE_NAME} && \
          rm ${GCLOUD_FILE_NAME} && \
          ln -s /lib /lib64 && \
          gcloud config set core/disable_usage_reporting true && \
          gcloud config set component_manager/disable_update_check true && \
  
negative.code:         helm registry version placeholder
  
  # Crash application
  RUN     wget -q -O crash-app.tgz https://github.com/samsung-cnct/k2-crash-application/releases/download/0.1.0/k2-crash-application_0.1.0_linux_amd64.tar.gz && \
          echo "${CRASH_APP_SHA256}  crash-app.tgz" | sha256sum -c - && \
          tar -zxvf crash-app.tgz  && \
          mv k2-crash-application /usr/bin/k2-crash-application && \
          rm -f crash-app.tgz
  
  
  # Quick verification script to confirm all expected binaries are present.
  