anchor.diff:  
   RUN gcloud components install app-engine-java
   
  -RUN apk --no-cache add gettext
  -
  -RUN apk --no-cache add mysql
  -RUN apk --no-cache add mysql-client
   RUN curl https://dl.google.com/cloudsql/cloud_sql_proxy.linux.amd64 \
     > /usr/local/bin/cloud_sql_proxy && chmod +x /usr/local/bin/cloud_sql_proxy
   
  
positive.code: FROM alpine:3.7
  
  #
  # Java for Gradle
  #
  
  RUN apk --no-cache add openjdk8
  
  #
  # https://github.com/GoogleCloudPlatform/cloud-sdk-docker/blob/master/alpine/Dockerfile
  
negative.code: 
  ENV PATH /google-cloud-sdk/bin:$PATH
  
  RUN curl -O https://dl.google.com/dl/cloudsdk/channels/rapid/downloads/google-cloud-sdk-${CLOUD_SDK_VERSION}-linux-x86_64.tar.gz && \
      tar xzf google-cloud-sdk-${CLOUD_SDK_VERSION}-linux-x86_64.tar.gz && \
      rm google-cloud-sdk-${CLOUD_SDK_VERSION}-linux-x86_64.tar.gz && \
      ln -s /lib /lib64 && \
  