server {
  listen  443;
  server_name localhost;

  ssl     on;
  ssl_certificate  /opt/tengine/conf/ssl/free4lab.crt;
  ssl_certificate_key /opt/tengine/conf/ssl/free4lab_nopass.key;

  ssl_session_timeout 5m;
 }

openssl rsa -in free4lab.key -out free4lab_nopass.key

upstream account.free4lab.com {
 session_sticky cookie=uid fallback=on path=/ mode=insert option=indirect;
 server 192.168.1.62:8084 weight=10;
 server 192.168.1.63:8082 weight=10;
}
server {
 listen 80;
 listen 443;
 server_name account.free4lab.com;
 location / {
  session_sticky_hide_cookie upstream=account.free4lab.com;
  proxy_pass http://account.free4lab.com;
 }
}