Increase memory limit for dokuwiki in order to upload large files

pica-dokuwiki/nginx.conf

@@ -47,6 +47,7 @@ http {
             fastcgi_pass unix:/run/php/php7.0-fpm.sock;
             fastcgi_index index.php;
             fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
+            fastcgi_param PHP_VALUE "memory_limit = 256M";
             include fastcgi_params;
         }