A simple way to set redirect to https for any site on your nginx/apache configuration.
Apache
RewriteEngine On
RewriteCond %{HTTPS} !=on
RewriteRule ^/?(.*) https://%{SERVER_NAME}/$1 [R=301,L]
Nginx
server {
listen 80;
server_name ${DOMAIN};
return 301 https://$server_name$request_uri;
}