nginx配置负载均衡例子

upstream tornadoes {
    server 127.0.0.1:8000;
    server 127.0.0.1:8002;
}
 server {
    listen 80;
    server_name bt.wktadmin.com;
    return 301 https://bt.wktadmin.com$request_uri;
}
server {
    listen 443;
    server_name bt.wktadmin.com;
    ssl_certificate /etc/letsencrypt/live/bt.wktadmin.com/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/bt.wktadmin.com/privkey.pem;
    location /static {
        root /home/wukt/tornado;
autoindex on;
    }
    location /.well-known {
      root   /home/wwwroot/bt.wktadmin.com;
    }
    location / {
         proxy_pass_header Server;
        proxy_set_header Host $http_host;
        proxy_redirect off;
        proxy_set_header X-Real-IP $remote_addr;
        # 把请求方向代理传给tornado服务器，负载均衡
        proxy_pass http://tornadoes;

    proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
    }
}