#########
server {
listen xxxxxxx:80;
server_name bbs.mucun.tk;

location / {
proxy_pass http://mucunbbs.appspot.com;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header FORWARDED-FOR $remote_addr;
proxy_set_header Host bbs.mucun.tk;
#set_real_ip_from xxxxxx;
#real_ip_header X-Real-IP;
#expires 3d;

}

}