net.example.conf

server {
  listen       80;
  charset      UTF-8;
  server_name  example.net;
  root         /var/www/net.example/public;

  location / {
    try_files $uri @app;
  }

  location @app {
    include     includes/proxy.conf;
    proxy_pass  http://app;
  }
}

nginx.conf

user              nginx;
worker_processes  8;

events {
  multi_accept        off;
  worker_connections  1024;
  use                 epoll;
}


http {
  include       mime.types;
  default_type  application/octet-stream;

  keepalive_timeout    70;
  keepalive_requests   15;

  sendfile                     on;
  send_timeout                 60;
  msie_padding                 on;
  msie_refresh                 off;
  large_client_header_buffers  4 4k;
  port_in_redirect             off;
  recursive_error_pages        on;

  tcp_nopush         on;
  tcp_nodelay        on;

  types_hash_max_size            2048;
  server_names_hash_bucket_size  64;
  server_tokens                  off;
  server_name_in_redirect        off;
  client_max_body_size           4096M;

  gzip               on;
  gzip_static        on;
  gzip_vary          on;
  gzip_proxied       any;
  gzip_comp_level    6;
  gzip_buffers       16 8k;
  gzip_http_version  1.0;

  ssl_session_cache          shared:SSL:10m;
  ssl_session_timeout        5m;
  ssl_protocols              SSLv3 TLSv1;
  ssl_ciphers                AES:HIGH:!ADH:!MD5; #ALL:!ADH:!EXPORT56:RC4+RSA:+HIGH:+MEDIUM:+LOW:+SSLv3:+EXP;
  ssl_prefer_server_ciphers  on;

  spdy_max_concurrent_streams 100;
  spdy_streams_index_size     32;
  spdy_recv_timeout           30s;
  spdy_keepalive_timeout      3m;
  spdy_headers_comp           9;

  map  $scheme $php_https {
    default  off;
    https    on;
  }

  fastcgi_cache_path  /usr/local/var/lib/nginx/cache/fastcgi  levels=1:2  keys_zone=fastcgi:1024m;
  fastcgi_temp_path   /usr/local/var/lib/nginx/tmp/fastcgi;

  proxy_cache_path    /usr/local/var/lib/nginx/cache/proxy  levels=1:2 keys_zone=proxy:4m max_size=50m inactive=120m;
  proxy_temp_path     /usr/local/var/lib/nginx/tmp/proxy;
  proxy_cache_key     "$scheme://$host$request_uri";

  include  configs/*.conf;

}

proxy.conf

proxy_read_timeout     300;
proxy_connect_timeout  300;
proxy_set_header       Host               $host;
proxy_set_header       X-Real-IP          $remote_addr;
proxy_set_header       X-Forwarded-Host   $host;
proxy_set_header       X-Forwarded-Server $host;
proxy_set_header       X-Forwarded-For    $proxy_add_x_forwarded_for;
proxy_set_header       X-Document-Root    $document_root;
proxy_set_header       X-Document-URI     $document_uri;
proxy_set_header       Upgrade            $http_upgrade;
proxy_set_header       Connection         "Upgrade";

upstreams.conf

upstream app  { server  127.0.0.1:3000; }