anchor.diff:          "$HOME/.android/repositories.cfg" && \
       yes | "$ANDROID_HOME"/tools/bin/sdkmanager --licenses > /dev/null
   
  -RUN echo "Installing platforms" && \
  +RUN echo "platforms" && \
       yes | "$ANDROID_HOME"/tools/bin/sdkmanager \
           "platforms;android-30" \
           "platforms;android-29" \
  
positive.code:         "add-ons;addon-google_apis-google-17" \
          "add-ons;addon-google_apis-google-16" > /dev/null
  
  RUN echo "Installing emulator" && \
      yes | "$ANDROID_HOME"/tools/bin/sdkmanager "emulator" > /dev/null
  
  RUN echo "Installing kotlin" && \
      wget --quiet -O sdk.install.sh "https://get.sdkman.io" && \
      bash -c "bash ./sdk.install.sh > /dev/null && source ~/.sdkman/bin/sdkman-init.sh && sdk install kotlin" && \
      rm -f sdk.install.sh
  
  RUN echo "Install Flutter sdk" && \
      cd /opt && \
      wget --quiet https://storage.googleapis.com/flutter_infra/releases/stable/linux/flutter_linux_1.17.1-stable.tar.xz -O flutter.tar.xz && \
      tar xf flutter.tar.xz && \
  
negative.code:         wget \
          zip \
          zlib1g-dev > /dev/null && \
      echo "nodejs, npm, cordova, ionic, react-native" && \
      curl -sL -k https://deb.nodesource.com/setup_${NODE_VERSION} \
          | bash - > /dev/null && \
      apt-get install -qq nodejs > /dev/null && \
  