Nginx config

nginx.conf

server {
  listen 80;
  server_name mydomain.com;
  
  # To remove the trailing slash on all URLs:
  rewrite ^/(.*)/$ /$1 permanent;
  # To remove the trailing slash on one page
  # rewrite ^/page/$ /page permanent;

  location / {
    # rewrite rule
    try_files $uri $uri /index.php?cmsquerystring=$args;
  }
  
  # proxy sitename.com/images to example.com
  location /images/ {
    proxy_pass https://example.com/;
    proxy_hide_header Strict-Transport-Security;
  }
}