anchor.diff: -FROM alpine:3.4
  +FROM alpine:3.5
   
   # Install Packer
  -ARG PACKER_VERSION='0.12.1'
  +ARG PACKER_VERSION='1.0.0'
   ADD https://releases.hashicorp.com/packer/${PACKER_VERSION}/packer_${PACKER_VERSION}_linux_amd64.zip ./
   ADD https://releases.hashicorp.com/packer/${PACKER_VERSION}/packer_${PACKER_VERSION}_SHA256SUMS ./
   
  
positive.code: 	apk --purge -v del py-pip && \
  	rm /var/cache/apk/*
   
  ARG HELM_VERSION="2.1.3"
  ADD http://storage.googleapis.com/kubernetes-helm/helm-v${HELM_VERSION}-linux-amd64.tar.gz ./
  RUN tar xf helm-v${HELM_VERSION}-linux-amd64.tar.gz && \
      cp linux-amd64/helm /bin/helm && \
  
negative.code:   /bin/terraform version
  
  # Install kubectl
  ARG KUBECTL_VERSION='1.5.6'
  ADD https://storage.googleapis.com/kubernetes-release/release/v${KUBECTL_VERSION}/bin/linux/amd64/kubectl /bin/kubectl
  RUN chmod +x /bin/kubectl
  
  # Install stern
  ARG STERN_VERSION='1.4.0'
  ADD https://github.com/wercker/stern/releases/download/${STERN_VERSION}/stern_linux_amd64 /bin/stern
  RUN chmod +x /bin/stern
  
  