anchor.diff:      ln -s /usr/local/google-cloud-sdk/bin/gsutil /usr/local/bin/ && \
       ln -s /usr/local/google-cloud-sdk/bin/bq /usr/local/bin/
   
  -ENV AWSEBCLI_VERSION 3.10.1
  +# Install AWS CLI
  +ENV AWSEBCLI_VERSION 3.12.0
   RUN apk add py-pip && \
       pip install awsebcli==${AWSEBCLI_VERSION} --upgrade && \
       rm -rf /root/.cache && \
       find / -type f -regex '.*\.py[co]' -delete
   
  -ENV ANSIBLE_VERSION 2.3.1.0
  -ENV JINJA2_VERSION 2.8.1
  +# Install Ansible
  +ENV ANSIBLE_VERSION 2.4.1.0
  +ENV JINJA2_VERSION 2.10
   RUN pip install ansible==${ANSIBLE_VERSION} boto Jinja2==${JINJA2_VERSION} --upgrade && \
       rm -rf /root/.cache && \
       find / -type f -regex '.*\.py[co]' -delete
  
positive.code: WORKDIR /tmp
  
  # Install Terraform
  ENV TERRAFORM_VERSION 0.10.7
  RUN curl --fail -sSL -O 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/local/bin
  
  # Install kubectl
  ENV KUBERNETES_VERSION 1.5.2
  RUN curl --fail -sSL -O https://storage.googleapis.com/kubernetes-release/release/v${KUBERNETES_VERSION}/bin/linux/amd64/kubectl \
      && mv kubectl /usr/local/bin/kubectl \
      && chmod +x /usr/local/bin/kubectl \
  
negative.code:     apk del .build-deps
  
  # Install Google Cloud SDK
  ENV GCLOUD_SDK_VERSION=179.0.0
  RUN curl --fail -sSL -O https://dl.google.com/dl/cloudsdk/channels/rapid/downloads/google-cloud-sdk-${GCLOUD_SDK_VERSION}-linux-x86_64.tar.gz && \
      tar -zvxf google-cloud-sdk-${GCLOUD_SDK_VERSION}-linux-x86_64.tar.gz && \
      mv google-cloud-sdk /usr/local/ && \
  