apache-sites-available-default.conf

<VirtualHost *:80>

    ServerAdmin webmaster@localhost
    DocumentRoot /var/www/html

    # We are behind a proxy and using remoteip
    # See https://httpd.apache.org/docs/2.4/mod/mod_remoteip.html
    RemoteIPHeader X-Forwarded-For
    RemoteIPInternalProxy traefik

    # Combined log format with %h replaced by %a as we are behind a proxy
    # See https://httpd.apache.org/docs/2.4/mod/mod_log_config.html#formats
    # for more details of custom log formats.
    LogFormat "%a %l %u %t \"%r\" %>s %O \"%{Referer}i\" \"%{User-Agent}i\"" remoteip_combined
    CustomLog ${APACHE_LOG_DIR}/access.log remoteip_combined

    ErrorLog ${APACHE_LOG_DIR}/error.log

</VirtualHost>