--- a/dockerfiles/ubuntu-xenial Sat Jul 30 13:42:46 2016 +0800
+++ b/dockerfiles/ubuntu-xenial Sat Jul 30 13:48:34 2016 +0800
RUN echo 'APT::Install-Recommends "no";' > /etc/apt/apt.conf.d/99recommends
RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y \