fix

views/nginx.conf.mustache

@@ -105,7 +105,7 @@ http {
   proxy_cache_valid 200 206 0;
   proxy_cache_key $scheme://$host$request_uri$http_range;
 
-  proxy_cache_lock_timeout 0s;
+  proxy_cache_lock_timeout 600s;
   proxy_cache_lock_age 600s;
   #proxy_cache_use_stale updating;
   proxy_cache_min_uses 1;