<Directory /var/www/admin.javaapp.co.uk>
    Require all granted
    AllowOverride All
</Directory>

<VirtualHost *:80>
    ServerName admin.javaapp.co.uk
    ServerAlias www.admin.javaapp.co.uk 
    ServerAdmin webmaster@localhost
    DocumentRoot /var/www/admin.javaapp.co.uk
    ErrorLog ${APACHE_LOG_DIR}/error.log
    CustomLog ${APACHE_LOG_DIR}/access.log combined
RewriteEngine on
RewriteCond %{SERVER_NAME} =admin.javaapp.co.uk [OR]
RewriteCond %{SERVER_NAME} =www.admin.javaapp.co.uk
RewriteRule ^ https://%{SERVER_NAME}%{REQUEST_URI} [END,NE,R=permanent]
</VirtualHost>