负载均衡配置

worker_processes  1;
events {
    worker_connections  1024;
}
http {
      include       mime.types;
      default_type  application/octet-stream;
      sendfile        on;
      keepalive_timeout  65;
     upstream www.word.com {
      #ip_hash; #可以解决解决session问题
      server  192.168.1.76:80  weight=5 fail_timeout=30s;
      server  192.168.1.75:80  weight=5 fail_timeout=30s;
      server  192.168.1.77:80  weight=5 fail_timeout=30s;
                    }
     server {
        listen 80;
        server_name  www.word.com;
        rewrite ^(.*) https://www.word.com$1  permanent;
             }
     server {
        listen       443;
        access_log  logs/quancha.access.log;
        error_log  logs/quancha.error.log;
        index  index.html index.htm index.php;
        ssl                  on;
        ssl_certificate      /usr/local/nginx/conf/ssl/2018/server.cer;
        ssl_certificate_key  /usr/local/nginx/conf/ssl/2018/server.key;
        ssl_session_timeout  5m;
        ssl_session_cache    shared:SSL:1m;
        ssl_ciphers  HIGH:!aNULL:!MD5;
        ssl_prefer_server_ciphers  on;

     location / {
          proxy_pass  https://www.word.com;

          proxy_redirect     off;
          proxy_set_header   Host             $host;
          proxy_set_header   X-Real-IP        $remote_addr;
          proxy_set_header   X-Forwarded-For  $proxy_add_x_forwarded_for;
          proxy_next_upstream error timeout invalid_header http_500 http_502 http_503 http_504;
          proxy_max_temp_file_size 0;
          proxy_connect_timeout      90;
          proxy_send_timeout         90;
          proxy_read_timeout         90;
          proxy_buffer_size          4k;
          proxy_buffers              4 32k;
          proxy_busy_buffers_size    64k;
          proxy_temp_file_write_size 64k;
   }
}
}