empty_gif;
}

Gzip压缩

open_file_cache max=1000 inactive=20s;
open_file_cache_valid 30s;
open_file_cache_min_uses 2;

SSL缓存

upstream backend {
    server 127.0.0.1:8080;
    keepalive 32;
server {
    ...
        proxy_pass http://backend;
        proxy_http_version 1.1;
        proxy_set_header Connection "";
    }
}

监控