Yes, that’s just how it works. The exact implementation depends on the webserver but in the case of nginx, it’s recommended to mark the location as internal to prevent external access. Nginx can asynchronously serve files while with Django you need one thread per request which can get problematic for higher numbers of parallel requests. … Read more
Because you’re using send_file, Rails will pass the request along to your HTTP server (nginx, apache, etc. – See the Rails documentation on send_file regarding X-Sendfile headers). Because of this, when you try to delete the file, Rails doesn’t know that it’s still being used. You can try using send_data instead, which will block until … Read more
My previous answer was partial and not well documented, here is an update with a summary of the solutions from it and from others in the discussion. The solutions are ordered from best solution to worst but also from the solution needing the most control over the web server to the one needing the less. … Read more