soltando la conexión h ttp inmediatamente con nginx

nginx.conf

server {
  # this is to serve a 200.txt static file 
  listen 8888;
  root /usr/share/nginx/html/;
}
server {
  listen 8999;
  location / {
    rewrite ^ /200.txt break;
  }

  error_page 405 =200 @405;
  location @405 {
    # post_action: after this, do @post
    post_action @post;
    # this will go to nginx running on another port
    proxy_method GET;
    proxy_pass http://127.0.0.1:8888;
  }

  location @post {
    # this will go to the apache server.
    # it will take a long time to process this request
    proxy_method POST;
    proxy_pass http://127.0.0.1/$request_uri;
  }
}