anchor.diff:  RUN sdkmanager "extras;android;m2repository"
   RUN sdkmanager "extras;google;m2repository"
   RUN sdkmanager "extras;google;google_play_services"
  +RUN sdkmanager "extras;google;instantapps"
   
   # Cleanup
  -RUN apt-get clean -y && apt-get autoremove -y
  -RUN rm -fr /var/lib/apt/lists/* /tmp/* /var/tmp/* /var/cache/*
  +RUN apt-get clean -y && apt-get autoremove -y & rm -fr /var/lib/apt/lists/* /tmp/* /var/tmp/* /var/cache/*
   
   # Go to workspace
   RUN mkdir -p /var/workspace
  
positive.code: RUN sdkmanager "build-tools;25.0.0"
  RUN sdkmanager "build-tools;25.0.1"
  RUN sdkmanager "build-tools;25.0.2"
  
  # Constraint Layout
  RUN sdkmanager "extras;m2repository;com;android;support;constraint;constraint-layout-solver;1.0.0"
  
negative.code: # sdk-tools-linux-3773319.zip -> tools_r25.3.1
  RUN mkdir -p ${ANDROID_HOME}
  RUN cd /opt \
      && wget -q https://dl.google.com/android/repository/sdk-tools-linux-3859397.zip -O android-sdk-tools.zip \
      && unzip -q android-sdk-tools.zip \
      && mv tools/ ${ANDROID_HOME}/tools/ \
      && rm -f android-sdk-tools.zip
  