homeserver/roles/mgrote_munin_server/templates/apache.conf

<VirtualHost *:80>
    ServerName {{ munin_servername }}
    ServerAlias munin

    ServerAdmin  info@example.org

    DocumentRoot /var/www

    # Rewrite rules to serve traffic from the root instead of /munin-cgi
    RewriteEngine On
    # Static files
    RewriteRule ^/favicon.ico /var/cache/munin/www/static/favicon.ico [L]
    RewriteRule ^/static/(.*) /var/cache/munin/www/static/$1          [L]
    # HTML
    RewriteRule ^(/.*\.html)?$ /munin-cgi/munin-cgi-html/$1 [PT]
    # Images
    RewriteRule ^/munin-cgi/munin-cgi-graph/(.*) /$1
    RewriteCond %{REQUEST_URI} !^/static
    RewriteRule ^/(.*.png)$ /munin-cgi/munin-cgi-graph/$1 [L,PT]

    ScriptAlias /munin-cgi/munin-cgi-graph /usr/lib/munin/cgi/munin-cgi-graph
    ScriptAlias /munin-cgi/munin-cgi-html /usr/lib/munin/cgi/munin-cgi-html

    <Directory /etc/munin/static>
        Require all granted
    </Directory>

    <Directory /usr/lib/munin/cgi>
        Require all granted
        <IfModule mod_fcgid.c>
            SetHandler fcgid-script
        </IfModule>
        <IfModule !mod_fcgid.c>
            SetHandler cgi-script
        </IfModule>
    </Directory>

    CustomLog /var/log/apache2/munin.example.org-access.log combined
    ErrorLog  /var/log/apache2/munin.example.org-error.log
</VirtualHost>
# http://guide.munin-monitoring.org/en/latest/example/webserver/apache-cgi.html