nginx.conf

user www-data;
worker_processes auto;
pid /run/nginx.pid;

events {
  worker_connections 768;
	# multi_accept on;
}

http {

	##
	# Basic Settings
	##

	sendfile on;
	tcp_nopush on;
	tcp_nodelay on;
	keepalive_timeout 65;
	types_hash_max_size 2048;
	server_tokens off;
	charset utf-8;

	index index.html index.htm;
	
	# server_names_hash_bucket_size 64;
	# server_name_in_redirect off;

	underscores_in_headers on;
	
	#proxy_intercept_errors on;

	include /etc/nginx/mime.types;
	default_type application/octet-stream;

	##
	# Logging Settings
	##

	access_log /var/log/nginx/access.log;
	error_log /var/log/nginx/error.log;

	##
	# Gzip Settings
	##

	gzip on;
	gzip_comp_level 5;
	gzip_vary on;
	gzip_min_length 1400;
	gzip_disable "msie6";
	gzip_proxied any;
	gzip_types
		application/atom+xml
		application/javascript
		application/json
		application/rss+xml
		application/xml+rss
		application/vnd.ms-fontobject
		application/x-javascript
		application/x-font-ttf
		application/x-web-app-manifest+json
		application/xhtml+xml
		application/xml
		font/opentype
		image/svg+xml
		image/x-icon
		text/css
		text/xml
		text/plain
		text/javascript
		text/x-component;

	##
	# nginx-naxsi config
	##
	# Uncomment it if you installed nginx-naxsi
	##

	#include /etc/nginx/naxsi_core.rules;

	##
	# nginx-passenger config
	##
	# Uncomment it if you installed nginx-passenger
	##
	
	#passenger_root /usr;
	#passenger_ruby /usr/bin/ruby;

	##
	# Virtual Host Configs
	##

	include /etc/nginx/conf.d/*.conf;
	include /etc/nginx/sites-enabled/*;
}

site config

#server {
#  listen 80;
#	server_name www.example.com;
#	return 301 $scheme://example.com$request_uri;
#}

upstream node_servers{
	server 127.0.0.1:3000;	
}

server {

	listen 80 default_server deferred;
	server_name localhost;

	#error_page 404 /errors/404.html;
	#error_page 500 501 502 503 504 505 /errors/50x.html;
	
	root /usr/share/nginx/html;
	
	location /  {
		try_files $uri $uri/ @nodejs;
	}
	
	location @nodejs {
		proxy_set_header X-Real-IP $remote_addr;
		proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
		proxy_set_header Host $http_host;
		proxy_set_header X-NginX-Proxy true;
		proxy_pass http://node_servers;
		proxy_http_version 1.1;
		proxy_set_header Upgrade $http_upgrade;
		proxy_set_header Connection $connection_upgrade;
		proxy_redirect off;	
	}

	# Include the component config parts for h5bp
	#include conf/h5bp.conf;
}