Sample output from https://gist.github.com/catalint/11281122

vhost.conf

server {
	error_log /var/log/nginx/vhost-error_log warn;
	access_log /usr/local/apache/domlogs/catalint.ro-bytes_log bytes_log;
	listen	8.8.8.8:80;
	server_name  catalint.ro www.catalint.ro;
	location @proxy {
		proxy_pass   http://8.8.8.8:81;

		proxy_set_header   Host   $host;
		proxy_set_header   X-Real-IP  $remote_addr;
		proxy_set_header   X-Forwarded-For $proxy_add_x_forwarded_for;
		add_header X-proxy yes;
		add_header X-apache yes;
	}
		location ~ nomin.*\.js(|\?ver.*)$  {
			root   /home/catalint/public_html;
			try_files  $uri /core/templates/default$uri @proxy;
		}
		location ~ \.js(|\?ver.*)$  {
			root   /home/catalint/public_html;
			try_files  $uri /core/templates/default$uri @proxy;
			expires       192h;
			add_header X-Static-File yes_minifed;
			perl Minify::handler;
		}
		location ~* (/img/medium/|/img/large).*\.(gif|svg|jpg|jpeg|png|wmv|avi|mpg|mpeg|mp4|css|woff|txt|xls|doc|ico)(|\?ver.*)$ {
			expires       192h;
			try_files  /invali_url_must_not_exist/ @proxy;
			add_header X-Static-File no;
			add_header X-bypass yes;
		}
		location ~* \.(gif|svg|jpg|jpeg|png|wmv|avi|mpg|mpeg|mp4|css|woff|txt|xls|doc|ico)(|\?ver.*)$ {
			root   /home/catalint/public_html;
			try_files  $uri  /core/templates/default$uri  @proxy;
			expires       192h;
			add_header X-Static-File yes;
		}
	location / {
		client_max_body_size    500M;
		client_body_buffer_size 128k; 
		proxy_connect_timeout 59s;
		proxy_send_timeout   15m;
		proxy_read_timeout   15m;

		proxy_buffer_size    4k;
		# you can increase proxy_buffers here to suppress an upstream response
		#  is buffered to a temporary file warning
		proxy_buffers     16 32k;
		proxy_busy_buffers_size 64k;
		proxy_temp_file_write_size 64k;

		add_header X-apache yes;
		proxy_redirect  http://catalint.ro:81   http://catalint.ro;
		proxy_redirect  http://www.catalint.ro:81   http://www.catalint.ro;

		proxy_pass   http://8.8.8.8:81;

		proxy_set_header   Host   $host;
		proxy_set_header   X-Real-IP  $remote_addr;
		proxy_set_header   X-Forwarded-For $proxy_add_x_forwarded_for;
	}
}

server {
...
}