fix: keep ZIP builds alive after request cancellation

docker/nginx.conf

@@ -40,6 +40,8 @@ http {
 
     location /downloads/ {
       proxy_pass http://imageforge_api;
+      proxy_read_timeout 300s;
+      proxy_send_timeout 300s;
       proxy_set_header Host $host;
       proxy_set_header X-Real-IP $remote_addr;
       proxy_set_header X-Forwarded-For $remote_addr;