[RC] Log remote ip

roundcube/Dockerfile

@@ -1,5 +1,13 @@
 FROM roundcube/roundcubemail:1.4.11-apache
 
+RUN a2enmod remoteip; \
+    echo "RemoteIPHeader X-Forwarded-For" > /etc/apache2/conf-available/remoteip.conf; \
+    a2enconf remoteip; \
+    sed -i -r 's/^ServerTokens .*/ServerTokens Prod/g' /etc/apache2/conf-available/security.conf; \
+    sed -i -r 's/^ServerSignature .*/ServerSignature Off/g' /etc/apache2/conf-available/security.conf; \
+    sed -i -E 's/^LogFormat "%h(.*)/LogFormat "%a\1/g' /etc/apache2/apache2.conf; \
+    echo "expose_php = Off" > /usr/local/etc/php/conf.d/php_version.ini;
+
 RUN set -ex; \
     apt-get update; \
     apt-get install -y --no-install-recommends \