Example inpired from https://www.myxwiki.org (with only the important parts):

  • any acces to port 80 redirect to port 443
  • proxy the port 443 to the port 80
  • redirect / access to /xwiki/
  • make sure XWiki have enough information to know what is the source URL
  • make sure that special characters like / and + are allowed
<VirtualHost *:80>
 ServerName mydomain.com
 ServerAlias *.mydomain.com

 RewriteEngine On
 RewriteCond %{HTTPS} off
 RewriteRule ^/?(.*) https://%{SERVER_NAME}/$1 [R,L]

<VirtualHost *:443>
 ServerName mydomain.com
 ServerAlias *.mydomain.com

 DocumentRoot /var/www/

 ErrorLog /var/log/apache2/xwiki-error.log
 CustomLog /var/log/apache2/xwiki-access.log combined

 RedirectMatch ^/$ /xwiki/

 <Location /xwiki>
   Order Deny,Allow
   Satisfy Any

 AllowEncodedSlashes NoDecode

 ProxyRequests Off
 <Proxy *>
   Order deny,allow
   Allow from all
 ProxyPreserveHost On
 ProxyPass /xwiki http://localhost:8080/xwiki nocanon
 ProxyPassReverse /xwiki http://localhost:8080/xwiki

  ## Workaround for https://bz.apache.org/bugzilla/show_bug.cgi?id=58001 (ProxyPreserveHost does not includes Forwarded)
 RequestHeader set Forwarded "proto=https"

  # TODO: add your SSL setup

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