ExampleConf

upstream server {
   server unix:/var/run/gunicorn.sock fail_timeout=0;
}

server {

    listen   80;
    server_name example.com;

    client_max_body_size 4G;

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


    location /static/ {
        alias   /home/user/sites/example.com/www/assets/;
        expires 1M;
        access_log off;
        add_header Cache-Control "public";
    }

    location /media/ {
        alias   /home/user/sites/example.com/www/media/;
        expires 1M;
        access_log off;
        add_header Cache-Control "public";
    }


  location / {

    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header Host $http_host;
    proxy_redirect off;
    proxy_connect_timeout 600;
    proxy_read_timeout 600;

    # Try to serve static files from nginx, no point in making an
    # *application* server like Unicorn/Rainbows! serve static files.
    if (!-f $request_filename) {
        proxy_pass http://server;
        break;
    }

    add_header Access-Control-Allow-Origin *;

  }

  # Error pages
  error_page 500 502 503 504 /500.html;
  location = /502.html {
    root /usr/share/nginx/html/;
  }

}