#sub_path_only rewrite ^__PATH__$ __PATH__/ permanent;
location ^~ __PATH__/ {

  proxy_pass http://127.0.0.1:__PORT__;
  proxy_set_header Host $host;
  proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
  proxy_set_header X-Forwarded-Proto $scheme;
  proxy_set_header X-Forwarded-Port $server_port;
  proxy_set_header X-Forwarded-Host $host;
  client_max_body_size 400M;
}