user www-data;
worker_processes auto;
pid /run/nginx.pid;

events {
	worker_connections 768;
	# multi_accept on;
}

http {

	##
	# Basic Settings
	##

	sendfile on;
	tcp_nopush on;
	tcp_nodelay on;
	keepalive_timeout 65;
	types_hash_max_size 2048;
	# server_tokens off;


	include /etc/nginx/mime.types;
	default_type application/octet-stream;

	##
	# SSL Settings
	##

	ssl_protocols TLSv1 TLSv1.1 TLSv1.2; # Dropping SSLv3, ref: POODLE
	ssl_prefer_server_ciphers on;

	##
	# Logging Settings
	##

	access_log /var/log/nginx/access.log;
	error_log /var/log/nginx/error.log;

	##
	# Gzip Settings
	##

	gzip on;
	gzip_disable "msie6";

	# gzip_vary on;
	# gzip_proxied any;
	# gzip_comp_level 6;
	# gzip_buffers 16 8k;
	# gzip_http_version 1.1;
	# gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript;

	##
	# Virtual Host Configs
	##

	include /etc/nginx/conf.d/*.conf;
	#include /etc/nginx/sites-enabled/*;

    upstream {{ slb_group }} {
        {%- for item in slb_list %}
            server 127.0.0.1:800{{ loop.index }};
        {%- endfor %}
    }

    {%- for item in slb_list %}
    server {
        listen 800{{ loop.index }};
        location / {
           proxy_http_version 1.1;
           proxy_pass http://{{ item }};
        }
    }
    {%- endfor %}

    server {
        listen {{ server_port }};
        server_name {{ server_name }};

        location {{ lb_path }} {
            proxy_http_version 1.1;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection "upgrade";
            proxy_set_header X-Forwarded-For $remote_addr;
            proxy_set_header X-Forwarded-Proto http;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_pass http://{{ slb_group }};
        }

    }

}