roundcube: disable access log

As per discussion in #2360: The front container (nginx reverse proxy) is
already logging all requests, disable the access logs for apache2 in the
roundcube container completely.

towncrier/newsfragments/2360.bugfix

@@ -1 +0,0 @@
-roundcube: log actual client ip by using apache2 remoteip

webmails/roundcube/Dockerfile

@@ -21,8 +21,7 @@ RUN set -eu \
  && pip3 install socrate \
  && echo date.timezone=UTC > /usr/local/etc/php/conf.d/timezone.ini \
  && echo "ServerSignature Off\nServerName roundcube" >> /etc/apache2/apache2.conf \
- && sed -i 's,LogFormat "%h \(.*\) combined,Logformat "%a \1 combined,' /etc/apache2/apache2.conf \
- && sed -i 's,CustomLog.*combined$,\0 "'"expr=!(%{HTTP_USER_AGENT}=='health'\&\&(-R '127.0.0.1/8' || -R '::1'))"'",' /etc/apache2/sites-available/000-default.conf \
+ && sed -i '/CustomLog.*combined$/d' /etc/apache2/sites-available/000-default.conf \
 \
  && mark="$(apt-mark showmanual)" \
  && apt install -y --no-install-recommends \
@@ -57,7 +56,7 @@ RUN set -eu \
  && chown -R root:root . \
  && chown www-data:www-data logs temp \
  && chmod -R a+rX . \
- && a2enmod rewrite deflate expires headers remoteip \
+ && a2enmod rewrite deflate expires headers \
  && echo date.timezone=${TZ} > /usr/local/etc/php/conf.d/timezone.ini \
  && rm -rf plugins/{autologon,example_addressbook,http_authentication,krb_authentication,new_user_identity,password,redundant_attachments,squirrelmail_usercopy,userinfo,virtuser_file,virtuser_query}
 
@@ -66,7 +65,6 @@ RUN set -eu \
 COPY mailu.php /var/www/html/plugins/mailu/mailu.php
 COPY php.ini /
 COPY config.inc.php /
-COPY remoteip.conf /
 COPY start.py /
 COPY config.inc.carddav.php /var/www/html/plugins/carddav/config.inc.php
 

webmails/roundcube/remoteip.conf

@@ -1,2 +0,0 @@
-RemoteIPHeader X-Forwarded-For
-RemoteIPTrustedProxy {{ FRONT_ADDRESS }}

webmails/roundcube/start.py

@@ -72,9 +72,8 @@ conf.jinja("/config.inc.php", context, "/var/www/html/config/config.inc.php")
 # create dirs
 os.system("mkdir -p /data/gpg")
 
-# configure apache2
-conf.jinja("/remoteip.conf", context, "/etc/apache2/conf-available/remoteip.conf")
-os.system("a2enconf remoteip")
+# disable access log for VirtualHosts that don't define their own logfile
+os.system("a2disconf other-vhosts-access-log")
 
 print("Initializing database")
 try: