gistfile1.conf

user nginx;
worker_processes 1;

error_log /var/log/nginx/error.log;
pid /var/run/nginx.pid;

events {
  # max_clients = worker_processes * worker_connections / 4
  worker_connections 1024;
}

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

  # backend applications
  upstream nodes {
    server 127.0.0.1:8000;
    server 127.0.0.1:8001;
    server 127.0.0.1:8002;
    server 127.0.0.1:8003;
    keepalive 64;
  }

  # rediect HTTP to HTTPS
  server {
    listen 80;
    server_name bleuengine.com;
#    rewrite ^ https://$server_name$request_uri? permanent;
  }

  server {
#    listen 443 ssl;
#    ssl_certificate /path/to/your/cert.file;
#    ssl_certificate_key /path/to/your/cert.key;
#    ssl_protocols SSLv3 TLSv1;
#    ssl_ciphers HIGH:!aNULL:!MD5;
    server_name bleuengine.com;

    # static resources
    location ~ ^/(robots.txt|humans.txt|favicon.ico) {
      root /usr/share/nginx/html;
      access_log off;
      expires max;
    }

    # everything else goes to backend node apps
    location / {
      proxy_pass http://nodes;

      proxy_redirect off;
      proxy_set_header X-Real-IP $remote_addr;
      proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
      proxy_set_header X-Forwarded-Proto $scheme;
      proxy_set_header Host $host;
      proxy_set_header X-NginX-Proxy true;
      proxy_set_header Connection "";
      proxy_http_version 1.1;
    }
  }
}