foobar.conf

gistfile1.txt

# Enable upload_progress module for easy cross browser progress bar support
# using only javascript client side
upload_progress foobar_uploads 1m;

server {
  # We only need one server block to deal with HTTP and HTTPS
  # avoids duplication
  listen 80;
  listen 443 default ssl;
  
  server_name foobar.com;
  
  # Sort out redirects
  ## If it has come from localhost - dont mess, handy for services running locally
  if ($host  = localhost   ) { break; }
  ## If another domain name has resolved to this server (e.g. www.foobar.com)
  ## then redirect it permanently to the name we really want
  if ($host != $server_name) { rewrite ^ $scheme://$server_name$request_uri permanent; }

  # Rails isn't interested by default in any other type of request
  # so deal with them here
  if ($request_method !~ ^(GET|HEAD|PUT|POST|DELETE|OPTIONS)$ ){
    return 405;
  }
  
  # We follow a convention of each site having it's own user account
  # with a Capistrano esque layout
  root /home/foobar/foobar/current/public;

  # PCI Compliant settings
  ssl_protocols             SSLv3 TLSv1;
  ssl_ciphers               ALL:!aNULL:!ADH:!eNULL:!LOW:!MEDIUM:!EXP:RC4+RSA:+HIGH;
  ssl_prefer_server_ciphers on;
  
  # Do not forget to include all certificates for chain in this file
  ssl_certificate           /etc/nginx/certificates/foobar.com.crt;
  ssl_certificate_key       /etc/nginx/certificates/foobar.com.key;
  ssl_session_cache         shared:SSL:10m;
  ssl_session_timeout       5m;

  # Your favorite error pages
  error_page 404 /404.html;
  error_page 422 /422.html;
  error_page 500 /500.html;
  
  # Simple way to serve static content and maintenance page if maintenance page present
  try_files $uri /maintenance.html @passenger;

  # We are not interested in uploads that are larger than 10MB
  client_max_body_size 10m;

  # Reached if no maintenance page or static content can fulfill request
  location @passenger {
    passenger_enabled       on;
    passenger_min_instances 2;
    
    rack_env production;
    
    # Make sure that Rails knows whether the connection was encrypted or not
    passenger_set_cgi_param HTTP_X_FORWARDED_PROTO $scheme;
    
    # Enable tracking of POST requests
    track_uploads foobar_uploads 30s;
  }
  
  # Enable monitoring of POST requests reported in JSON
  location /progress {
    upload_progress_json_output;
    report_uploads foobar_uploads;
  }
  
  access_log  /var/log/nginx/foobar.access.log;
}

# Starts passenger after nginx is rebooted
# Rather than on first request
passenger_pre_start http://foobar.com/;

Seem's we're totally missing out the gzip_static goodness. That looks great.

I have updated config file with gzip_static and nginx installation tips.
you can take a look https://gist.github.com/711913