SS4 lemp config

SS4_lemp_config.conf

server {
    listen 80;

  #  server_name domain.tld www.domain.tld;

    index index.php;

    root /var/www/current;
    charset utf8;
    autoindex off;

    error_page 404 /assets/error-404.html;
    error_page 500 /assets/error-500.html;

    fastcgi_read_timeout 300;
    fastcgi_send_timeout 300;

    if ($http_x_forwarded_host) {
        return 400;
    }

    location / {

        gzip on;
        try_files $uri/index.php $uri /index.php;

        if (!-f $request_filename) {
            rewrite (.*) /index.php;
        }

    }

    location ^~ /assets/ {
            location ~ /\. {
                deny all;
            }
            sendfile on;
            try_files $uri index.php?$query_string;
        }

    location ~ /framework/.*(main|rpc|tiny_mce_gzip)\.php$ {
        fastcgi_keep_conn on;
        fastcgi_pass unix:/var/run/php/php7.1-fpm.sock;
        fastcgi_index  index.php;
        fastcgi_param  SCRIPT_FILENAME $document_root$fastcgi_script_name;
        include        fastcgi_params;
    }

    location ~ /(mysite|framework|cms)/.*\.(php|php3|php4|php5|phtml|inc)$ {
        deny all;
    }

    location ~ /\.. {
        deny all;
    }

    location ~ \.ss$ {
        satisfy any;
        allow 127.0.0.1;
        deny all;
    }

    location ~ web\.config$ {
        deny all;
    }

    location ~ \.ya?ml$ {
        deny all;
    }

    location ^~ /vendor/ {
        deny all;
    }

    location ~* /silverstripe-cache/ {
        deny all;
    }

    location ~* composer\.(json|lock)$ {
        deny all;
    }

    location ~* /(cms|framework)/silverstripe_version$ {
        deny all;
    }
    # todo do we have asset cache bsuting in silverstripe?
    location ~ .*\.(gif|jpg|jpeg|png|bmp|swf)$ {
        expires      1d;
        gzip on;
    }

    location ~ .*\.(js|css)?$ {
        expires      1h;
    }

    # php fastcgi setting
    location ~ \.php$ {
        fastcgi_keep_conn on;
        fastcgi_pass unix:/var/run/php/php7.1-fpm.sock;
        fastcgi_index  index.php;
        fastcgi_param  SCRIPT_FILENAME $document_root$fastcgi_script_name;
        include        fastcgi_params;
        fastcgi_buffer_size 32k;
        fastcgi_busy_buffers_size 64k;
        fastcgi_buffers 4 32k;
    }
}