upstream nodeserver {
server 192.168.1.173:8089;
server 192.168.1.174:8089;
}
:/etc/nginx/sites-enabled$ sudo vim blog.conf
upstream blog_server {
server 127.0.0.1:8443;
}

server {
listen 80;
server_name blog.51souta.com;
error_log /var/log/nginx/publicchain_error.log debug;
rewrite_log on;
root /var/www/51blog/;
index index.html index.htm index.nginx-debian.html;

location / {
proxy_set_header Host $host:80;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_hide_header X-Powered-By;
proxy_pass http://blog_server;
}
}