nginx upstream利用ip实现灰度发布项目
upstream prod {
server 192.168.1.10;
server 192.168.1.11;
}
upstream pre-prod {
server 192.168.1.100;
}
server {
listen 80;
access_log /var/log/nginx/access.log main;
set $web_backend prod;
if ($remote_addr ~ "123.123.123.123") {
set $web_backend pre-prod;
}
location / {
proxy_pass http://$web_backend;
include proxy.conf;
}
}