anchor.diff: -FROM ubuntu:16.04
  +FROM ubuntu:18.04
   LABEL maintainer Ascensio System SIA <support@onlyoffice.com>
   
   ENV LANG=en_US.UTF-8 LANGUAGE=en_US:en LC_ALL=en_US.UTF-8 DEBIAN_FRONTEND=noninteractive
  
positive.code: 
  RUN echo "#!/bin/sh\nexit 0" > /usr/sbin/policy-rc.d && \
      apt-get -y update && \
      apt-get -yq install wget apt-transport-https curl locales && \
      apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 0x8320ca65cb2de8e5 && \
      locale-gen en_US.UTF-8 && \
      curl -sL https://deb.nodesource.com/setup_10.x | bash - && \
      apt-get -y update && \
      apt-get -yq install \
          adduser \
          bomstrip \
          htop \
          libasound2 \
          libboost-regex-dev \
          libcairo2 \
          libcurl3 \
          libgconf2-4 \
          libgtkglext1 \
          libnspr4 \
          libnss3 \
          libnss3-nssdb \
          libstdc++6 \
          libxml2 \
          libxss1 \
  
negative.code:         xvfb \
          zlib1g && \
      echo "SERVER_ADDITIONAL_ERL_ARGS=\"+S 1:1\"" | tee -a /etc/rabbitmq/rabbitmq-env.conf && \
      sed -i "s/bind .*/bind 127.0.0.1/g" /etc/redis/redis.conf && \
      pg_conftool 10 main set listen_addresses 'localhost' && \
      service postgresql restart && \
      sudo -u postgres psql -c "CREATE DATABASE $ONLYOFFICE_VALUE;" && \
      sudo -u postgres psql -c "CREATE USER $ONLYOFFICE_VALUE WITH password '$ONLYOFFICE_VALUE';" && \
      sudo -u postgres psql -c "GRANT ALL privileges ON DATABASE $ONLYOFFICE_VALUE TO $ONLYOFFICE_VALUE;" && \ 
  