NewsBlur/config/nginx.newsblur.conf

server {
    server_name newsblur.com;
    rewrite ^(.*) http://www.newsblur.com$1 permanent;
}

upstream app_server {
    server 127.0.0.1:8000 fail_timeout=10 max_fails=3 ;
    server app02.newsblur.com:80 fail_timeout=10 max_fails=3;
    # server db01.newsblur.com:80 fail_timeout=10 max_fails=3 down;
}

# limit_req_zone  $remote_addr  zone=one:10m   rate=200r/m;
# limit_req zone=one burst=200 nodelay;

server {
    listen 80 default;
    client_max_body_size 4M;
    server_name www.newsblur.com;
    
    if ($host = 'newsblur.com' ) {
        rewrite  ^/(.*)$  http://www.newsblur.com/$1  permanent;
    }
    
    location /media/admin/ {
        alias /usr/local/lib/python2.6/dist-packages/Django-1.2.5-py2.6.egg/django/contrib/admin/media/;
    }
    
    location /media/  {
        expires max;
        keepalive_timeout 1;
        root /home/sclay/newsblur;
    }
    
    location /favicon.ico {
        alias      /home/sclay/newsblur/media/img/favicon.png;
        expires	max;
        access_log off;
    }

    location ^~ /crossdomain.xml {
        expires max;
        alias /home/sclay/newsblur/media/crossdomain.xml;
        types {
            text/x-cross-domain-policy  xml;
        }
    }

    location ^~ /robots.txt {
        expires max;
        alias /home/sclay/newsblur/media/robots.txt;
    }

    location /munin/ {
        alias	/var/cache/munin/www/;
    }

    location / {
        if (-f /home/sclay/newsblur/media/maintenance.html) {
            return 503;
        }
        
        error_page 503 @maintenance;
        location @maintenance {
              rewrite ^(.*)$ /home/sclay/newsblur/media/maintenance.html break;
        }
        
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header Host $http_host;
        proxy_redirect off;

        if (!-f $request_filename) {
            proxy_pass http://app_server;
            break;
        }
    }

}