nginx.conf

worker_processes 1;
pid /var/run/nginx.pid;

# To turn on error logging, set to:
# error_log stderr;
error_log off;

events {
  worker_connections 2048;
  use epoll;
}

http {
  log_format origin '$remote_addr - $remote_user [$time_local] '
                      '"$request" $status $body_bytes_sent '
                      '"$http_referer" "$http_origin" "$http_user_agent"';

  # To enable, set to:
  # access_log stderr origin;
  access_log off;

  upstream app_server {
    server localhost:8081 fail_timeout=0;
  }

  server {
    listen 8080 deferred;
    client_max_body_size 1G;
    keepalive_timeout 5;

    location / {
      proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
      proxy_set_header X-Forwarded-Proto $scheme;
      proxy_set_header Host $http_host;
      proxy_read_timeout 10s;
      proxy_connect_timeout 10s;

      # we don't want nginx trying to do something clever with
      # redirects, we set the Host: header above already.
      proxy_redirect off;
      proxy_pass http://app_server;
    }
  }
}