anchor.diff:  
   # ---------------------------------------------------------
   # Add not root user
  -RUN useradd -ms /bin/bash docker
  -RUN chown -R docker /app/user
  -USER docker
  +# RUN useradd -ms /bin/bash docker
  +# RUN chown -R docker /app/user
  +# USER docker
   
   CMD ["bash"]
  
positive.code: ENV JAVA_HOME /usr/lib/jvm/java-8-oracle
  
  # ---------------------------------------------------------
  # ---- Download Android SDK tools into $ANDROID_HOME
  # - using the Gradle Daemon: https://docs.gradle.org/2.8/userguide/gradle_daemon.html
  RUN apt-get -y install gradle
  RUN ln -s $JAVA_HOME /usr/lib/jvm/default-java
  RUN mkdir ~/.gradle && touch ~/.gradle/gradle.properties && echo "org.gradle.daemon=true" >> ~/.gradle/gradle.properties
  
  # - Install the Android SDK.
  RUN curl http://dl.google.com/android/android-sdk_r24.2-linux.tgz | tar xz -C /usr/local/
  
  # - Set the ANDROID_HOME system environment variable.
  ENV ANDROID_HOME /usr/local/android-sdk-linux
  
negative.code: 
  # - Install the required Android SDKs and the Local Maven repository for Support Libraries.
  # -- android list sdk --all --extended
  # RUN echo y | android update sdk --no-ui --all -t `android list sdk --all|grep "SDK Platform Android 6.0, API 23"|awk -F'[^0-9]*' '{print $2}'`
  RUN echo y | android update sdk --no-ui --all --filter tools
  RUN echo y | android update sdk --no-ui --all --filter platform-tools
  RUN echo y | android update sdk --no-ui --all --filter extra-android-support
  RUN echo y | android update sdk --no-ui --all --filter extra-android-m2repository
  RUN echo y | android update sdk --no-ui --all --filter extra-google-m2repository
  RUN echo y | android update sdk --no-ui --all --filter extra-google-google_play_services
  RUN echo y | android update sdk --no-ui --all --filter $ANDROID_API_LEVEL
  RUN echo y | android update sdk --no-ui --all --filter build-tools-$ANDROID_BUILD_TOOLS_VERSION
  
  # Create emulator to run tests:
  #RUN echo y | android update sdk --no-ui --all --filter --force sys-img-armeabi-v7a-google_apis-23
  #RUN echo n | android create avd --force --name "google" --target android-23 --abi "google_apis/armeabi-v7a"
  
  RUN apt-get autoremove -y && apt-get clean
  
  # ---------------------------------------------------------
  # ---- Install the NativeScript CLI.
  