server {
    listen        6666;
    server_name   domain.tld;

    root  /var/www/mdblog;

    location / {
        try_files /html-pages$uri =404;
    }

    location /public {
        try_files $uri =404;
    }

    location ~ ^/raw/([a-z0-9]+)/(.+?)\.md {
        default_type text/plain;
        try_files /saved-files/$2.$1.md =404;
    }
}