message: Updated node version from 6 to 8
diff: @@ -32,7 +32,7 @@ RUN apt-get update && apt-get install -y curl
  RUN apt-get install -y \
  npm
  -RUN curl -sL https://deb.nodesource.com/setup_6.x | bash - \
  +RUN curl -sL https://deb.nodesource.com/setup_8.x | bash - \
  && apt-get install -y nodejs
  