Minimal configuration for Nginx reverse proxy

nginx-proxy.conf

server {
  server_name subdomain.example.com;
  location / {
    proxy_pass http://localhost:8888;
    include /etc/nginx/proxy_params;
  }
  access_log /var/log/nginx/example-subdomain.log;
  error_log /var/log/nginx/example-subdomain-error.log crit;
  proxy_buffer_size 128k;
  proxy_buffers 4 256k;
  proxy_busy_buffers_size 256k;
  listen 80;
}