upstream project { server 22.22.22.2:3000; server 22.22.22.3:3000; server 22.22.22.5:3000; } server { listen 80; location / { proxy_pass http://project; } location ~* \.(css|js|gif|jpe?g|png)$ { expires 168h; } location /api { expires 10m; } }
原文：http://www.cnblogs.com/fenle/p/6848454.html