<VirtualHost *:80>

 ServerAdmin admin@example.com
 ServerName example.com

 ProxyPreserveHost On
 ProxyPass / http://localhost:8000/
 ProxyPassReverse / http://localhost:8000/

 SetEnvIf X-Forwarded-For "^.*\..*\..*\..*" forwarded
 LogFormat "%h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-Agent}i\"" combined
 LogFormat "%{X-Forwarded-For}i %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-Agent}i\"" forwarded

 ErrorLog ${APACHE_LOG_DIR}/error.log
 CustomLog ${APACHE_LOG_DIR}/access.log combined env=!forwarded
 CustomLog ${APACHE_LOG_DIR}/access.log forwarded env=forwarded
    
</VirtualHost>