Cloud Foundry router - nginx config

nginx.conf

user www-data;
worker_processes  1;

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

events {
    worker_connections  2048;
    use epoll;
    # multi_accept on;
}

http {
    include     /etc/nginx/mime.types;
    access_log  /var/log/nginx/access.log;

    log_format main  '$host - [$time_local] '
                     '"$request" $status $bytes_sent '
                     '"$http_referer" "$http_user_agent" '
                     '$remote_addr response_time:$upstream_response_time';

    default_type  text/html;

    sendfile           on;
    tcp_nopush         on;
    tcp_nodelay        on;

    keepalive_timeout  75 20;

    gzip  on;
    gzip_min_length    1250;
    gzip_buffers       16 8k;
    gzip_comp_level    2;
    gzip_proxied       any;
    gzip_types         text/plain text/css application/javascript application/x-javascript text/xml application/xml application/xml+rss text/javascript;
    gzip_vary          on;
    gzip_disable "MSIE [1-6]\.(?!.*SV1)";

    client_max_body_size 256M;

    upstream vcap_router {
      server  unix:/tmp/router.sock;
    }

    server {
        listen       *:80;
        server_name  _;

        access_log   /home/ubuntu/cloudfoundry/.deployments/router/sys/log/vcap.access.log main;
        server_name_in_redirect off;

        location / {
                proxy_buffering                 off;
                proxy_set_header                Host $host;
                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 http;
                proxy_redirect                  off;
                proxy_connect_timeout           10;
                proxy_send_timeout              30;
                proxy_read_timeout              30;
                proxy_pass                      http://vcap_router;
        }
    }
}