# Pastebin wGjGqVz1
server {
    listen      80;
    listen [::]:80;

    listen      443 ssl;
    listen [::]:443 ssl;

    server_name data.desustorage.org;
    server_name_in_redirect on;

    root /home/foolz/foolfuuka/public/foolfuuka/boards;

    gzip_static off;
    sendfile on;

    location ~ /\. { deny all; access_log off; log_not_found off; }

    # short-term storage
    location / {
        add_header Pragma "public";
        add_header Cache-Control "public, must-revalidate, proxy-revalidate";
        expires    31536000s;
        try_files  $uri @storage;
    }   

    # long-term storage (zfs)
    location @storage {
        proxy_pass        https://<IP OF LTS>;
        proxy_set_header  Host            $host;
        proxy_set_header  X-Real-IP       $remote_addr;
        proxy_set_header  X-Forwarded-For $proxy_add_x_forwarded_for;
    }
}