nginx configuration

nginx.conf

worker_processes 4;

error_log logs/error.log;

events {
  worker_connections 1024;
}

http {
    # Passenger global settings
    passenger_root /usr/local/lib/ruby/gems/1.8/gems/passenger-2.2.15;
    passenger_ruby /usr/local/bin/ruby;
    passenger_max_pool_size 10;
    passenger_pool_idle_time 0;
    passenger_max_instances_per_app 0;
    
    include mime.types;
    default_type application/octet-stream;

    access_log logs/access.log;

    sendfile on;
    keepalive_timeout 65;
    tcp_nodelay on;
    tcp_nopush on;

    gzip on;
    gzip_comp_level 2;
    gzip_proxied any;
    gzip_buffers 16 8k;
    gzip_types text/plain text/css application/x-javascript text/xml application/xml application/xml+rss text/javascript;
    gzip_disable "MSIE [1-6].(?!.*SV1)";

    server {
      listen 80;
      server_name demo.com;
      root /var/apps/demo/current/public;

	  # Passenger server specific settings
      passenger_enabled on;
      rails_spawn_method smart;
      rack_env production;

	  # Rewrites to maintenance page for capistrano if exists.
      if (-f $document_root/system/maintenance.html){ 
        rewrite  ^(.*)$  /system/maintenance.html break; 
      }       

      # Rewrite www.demo.com --> demo.com
      if ($host != 'demo.com' ) {
        rewrite  ^/(.*)$  http://demo.com/$1  permanent;
      }
        
	  # Sets an expires header for any assets with a query string
      location ~* (stylesheets|javascripts|images) {
        if (!-f $request_filename) {
          break;
        }
        if ($query_string ~* "^[0-9]{10}$") {
          expires max;
          break;
        }
      }

      # error_page 500 502 503 504 /50x.html;
      # location = /50x.html {
      # root html;
      # }
    }

    server {
        listen 443;
        server_name demo.com;
        root /var/apps/demo/current/public;
        passenger_enabled on;
        rack_env production;

        ssl                  on;
        ssl_certificate      ssl/demo.com.crt;
        ssl_certificate_key  ssl/demo.com.key;
        ssl_session_timeout  5m;
        ssl_protocols  SSLv2 SSLv3 TLSv1;
        ssl_ciphers  ALL:!ADH:!EXPORT56:RC4+RSA:+HIGH:+MEDIUM:+LOW:+SSLv2:+EXP;
        ssl_prefer_server_ciphers   on;

        # needed for HTTPS
        proxy_set_header X_FORWARDED_PROTO https;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header Host $http_host;
        proxy_redirect off;
        proxy_max_temp_file_size 0;
        # needed to forward user's IP address to rails
        proxy_set_header  X-Real-IP  $remote_addr;

	    # Rewrites to maintenance page for capistrano if exists.
        if (-f $document_root/system/maintenance.html){ 
          rewrite  ^(.*)$  /system/maintenance.html break; 
        }

        # Rewrite www.demo.com --> demo.com
        if ($host != 'demo.com' ) {
          rewrite  ^/(.*)$  http://demo.com/$1  permanent;
        }

	    # Sets an expires header for any assets with a query string
        location ~* (stylesheets|javascripts|images) {
          if (!-f $request_filename) {
            break;
          }
          if ($query_string ~* "^[0-9]{10}$") {
            expires max;
            break;
          }
        }

        # error_page 500 502 503 504 /50x.html;
        # location = /50x.html {
        # root html;
        # }

    }
}