<VirtualHost *:80>

  ServerName openerpserver
  RewriteEngine On
  RewriteCond %{HTTPS} off
  RewriteRule (.*) https://%{HTTP_HOST}%{REQUEST_URI}

</VirtualHost>

<VirtualHost *:443>
  ServerName openerpserver

  RewriteEngine on
  RewriteRule ^/(.*) http://local_ip:8069/$1 [P]
  ProxyPassReverse / http://local_ip:8069/

  SSLEngine On
  SSLCertificateFile /etc/apache2/ssl/cert.crt
  SSLCertificateKeyFile /etc/apache2/ssl/cert.key

</VirtualHost>