How to specify mimetype of files with no extension in NGINX config?

Question

I have a server with nginx. And I have a lot of images - pngs and jpgs saved as files with no extension (like \"123123123_321312\").

When I use tag \"img\" in html page,

Answer 1

You should use the default_type directive :

server {
   ...
   default_type text/html;

   location /images/png {
      default_type image/png;
   }

   location /images/jpg {
      default_type image/jpeg;
   }
}