Change base image to ubuntu 18.04

Dockerfile

@@ -1,4 +1,4 @@
-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
@@ -7,24 +7,25 @@ ARG ONLYOFFICE_VALUE=onlyoffice
 
 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-get -yq install wget apt-transport-https gnupg 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 \
+        apt-utils \
         bomstrip \
         htop \
         libasound2 \
         libboost-regex-dev \
         libcairo2 \
         libcurl3 \
+        libcurl3-gnutls \
         libgconf2-4 \
         libgtkglext1 \
         libnspr4 \
         libnss3 \
-        libnss3-nssdb \
         libstdc++6 \
         libxml2 \
         libxss1 \
@@ -46,6 +47,9 @@ RUN echo "#!/bin/sh\nexit 0" > /usr/sbin/policy-rc.d && \
         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;" && \