worker_processes  auto;

events {

    # worker_connections  1024;
    worker_connections  20480;

}

http {
    include       mime.types;
    default_type  application/octet-stream;
    sendfile        on;
    keepalive_timeout  65;

    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                      '$status $body_bytes_sent "$http_referer" '
                      '"$http_user_agent" "$http_x_forwarded_for"';

    # 建议改用绝对路径，防止容器找不到 logs 目录
    access_log  /etc/nginx/logs/access.log  main;

    # 💡 关键：WebSocket 支持
    map $http_upgrade $connection_upgrade {
        default upgrade;
        ''      close;
    }

    server_names_hash_bucket_size  128;
    client_header_buffer_size   32k;
    large_client_header_buffers 4 32k;
    client_max_body_size 1024m;
    proxy_connect_timeout 60;
    proxy_read_timeout 300;
    proxy_send_timeout 300;

    fastcgi_buffers 8 128k;
    send_timeout       300;
    client_header_timeout 300;
    client_body_timeout  300;
    reset_timedout_connection  on;

    # --- Gzip 配置开始 ---
    gzip  on;
    gzip_min_length    1k;
    gzip_buffers       4 16k;
    gzip_http_version  1.1;
    gzip_comp_level    2;
    gzip_types         text/plain application/x-javascript text/css application/xml image/png application/zip application/x-shockwave-flash application/javascript application/json;
    gzip_disable "MSIE [1-6]\.";
    gzip_vary          on;
    # --- Gzip 配置结束 ---

    # 引入子配置文件
    include /etc/nginx/conf/conf.d/*.conf;
}