nginx.conf

user  nobody;
# no need for more workers in the proxy mode
worker_processes  2;
error_log  /var/log/nginx/error.log info;
worker_rlimit_nofile 20480;
events {
    worker_connections 5120; # increase for busier servers
    use epoll; # you should use epoll here for Linux kernels 2.6.x
}

http {
    server_name_in_redirect off;
    server_names_hash_max_size 10240;
    server_names_hash_bucket_size 1024;
    include    mime.types;
    default_type  application/octet-stream;
    server_tokens off;
    # remove/commentout disable_symlinks if_not_owner;if you get Permission denied error
    # disable_symlinks if_not_owner;
    sendfile on;
    tcp_nopush on;
    tcp_nodelay on;
    keepalive_timeout  5;
    gzip on;
    gzip_vary on;
    gzip_disable "MSIE [1-6]\.";
    gzip_proxied any;
    gzip_http_version 1.1;
    gzip_min_length  1000;
    gzip_comp_level  6;
    gzip_buffers  16 8k;
    # You can remove image/png image/x-icon image/gif image/jpeg if you have slow CPU
    gzip_types    text/plain text/xml text/css application/x-javascript application/xml image/png image/x-icon image/gif image/jpeg application/xml+rss text/javascript application/atom+xml;
    ignore_invalid_headers on;
    client_header_timeout  3m;
    client_body_timeout 3m;
    send_timeout     3m;
    reset_timedout_connection on;
    connection_pool_size  256;
    client_header_buffer_size 256k;
    large_client_header_buffers 4 256k;
    client_max_body_size 200M;
    client_body_buffer_size 128k;
    request_pool_size  32k;
    output_buffers   4 32k;
    postpone_output  1460;
    proxy_temp_path  /tmp/nginx_proxy/;
    client_body_in_file_only on;
    log_format timed_combined '$remote_addr - $remote_user [$time_local] "$request" $status $body_bytes_sent "$http_referer" "$http_user_agent" $request_time $upstream_response_time';
    log_format bytes_log "$msec $bytes_sent .";

    server {
        error_log /var/log/nginx/vhost-error_log warn;
        listen 10.0.1.10:80;
        server_name domain.com www.domain.com;
        access_log /usr/local/apache/domlogs/domain.com-bytes_log bytes_log;
        access_log /usr/local/apache/domlogs/domain.com timed_combined;
        root /home/projects/public_html;
        location ~*.*\.(3gp|gif|jpg|jpeg|png|ico|wmv|avi|asf|asx|mpg|mpeg|mp4|pls|mp3|mid|wav|swf|flv|html|htm|txt|js|css|exe|zip|tar|rar|gz|tgz|bz2|uha|7z|doc|docx|xls|xlsx|pdf|iso)$ {
            try_files $uri @backend;
        }
        location / {
            error_page 405 = @backend;
            add_header X-Cache "Using upstream";
            proxy_pass http://127.0.0.1:8081;
            include proxy.conf;
        }

        location @backend {
            internal;
            proxy_pass http://127.0.0.1:8081;
            include proxy.conf;
        }
        location ~ .*\.(php|jsp|cgi|pl|py)?$ {
            proxy_pass http://127.0.0.1:8081;
            include proxy.conf;
        }
        location ~ /\.ht {
            deny all;
        }
    }
}

proxy.conf

proxy_buffering off;
proxy_connect_timeout 59s;
proxy_send_timeout   600;
proxy_read_timeout   600;
proxy_buffer_size    64k;
proxy_buffers     16 32k;
proxy_busy_buffers_size 64k;
proxy_temp_file_write_size 64k;
proxy_pass_header Expires;
proxy_pass_header Cache-Control;
proxy_pass_header Set-Cookie;
proxy_redirect     off;
proxy_hide_header  Vary;
proxy_hide_header  X-Powered-By;
proxy_set_header   Accept-Encoding '';
proxy_set_header   Referer $http_referer;
proxy_set_header   Host   $host;
proxy_set_header   Cookie $http_cookie;
proxy_set_header   X-Real-IP  $remote_addr;
proxy_set_header X-Forwarded-Host $host;
proxy_set_header X-Forwarded-Server $host;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;