non-interactive frontend

dist/Dockerfile

@@ -17,10 +17,13 @@ ADD entrypoint.sh /entrypoint.sh
 RUN chmod +x /entrypoint.sh
 RUN ls
 
+# Set frontend to Noninteractive
+# https://github.com/phusion/baseimage-docker/issues/58#issuecomment-47995343
+RUN echo 'debconf debconf/frontend select Noninteractive' | debconf-set-selections
+
 RUN apt-get -q update \
  && apt-get -q install -y --no-install-recommends --allow-downgrades \
  libnotify4 \
- libnotify-bin \
  && apt-get clean
 
 ENTRYPOINT ["/entrypoint.sh"]