Merge pull request #1456 from jonafato/proxy-setup-x-forwarded-proto

Add X-Forwarded-Proto header to proxy setup example docs

docs/deploying/wsgi-standalone.rst

@@ -100,6 +100,7 @@ localhost at port 8000, setting appropriate headers:
             proxy_set_header   Host                 $host;
             proxy_set_header   X-Real-IP            $remote_addr;
             proxy_set_header   X-Forwarded-For      $proxy_add_x_forwarded_for;
+            proxy_set_header   X-Forwarded-Proto    $scheme;
         }
     }