Extend timeouts for import/export operations:

- for Nginx in nginx.conf
- add a php-fpm.ini file to handle FPM timeout

conf/nginx.conf

@@ -5,6 +5,10 @@ location __PATH__/ {
     rewrite ^ https://$server_name$request_uri? permanent;
   }
 
+  client_body_timeout 60m;
+  proxy_read_timeout 60m;
+  fastcgi_read_timeout 60m;
+
   try_files $uri @__NAME__;
 
   location ~ ^__PATH__/app\.php(/|$) {

conf/php-fpm.ini

@@ -0,0 +1 @@
+max_execution_time=3600