nginx 로그를 일별로 최적화하는 방법을 자세히 설명하세요.

user nginx;
worker_processes 2;

error_log /var/log/nginx/error.log warn;
pid /var/run/nginx.pid;


events {
    worker_connections  1024;
}

http {
    include  /etc/nginx/mime.types;
    default_type application/octet-stream;

    log_format  main  '$remote_addr - $remote_user [$time_iso8601] "$request" '
                      '$status $body_bytes_sent "$http_referer" '
                      '"$http_user_agent" "$http_x_forwarded_for" $request_time $upstream_response_time';

    #引入time_iso8601模块 设置时间 日期变量
    map $time_iso8601 $logdate {
        #&#39;~^(?<ymdh>\d{4}-\d{2}-\d{2}T\d{2})&#39; $ymdh;
        &#39;~^(?<ymd>\d{4}-\d{2}-\d{2})&#39; $ymd;
        default &#39;date-not-found&#39;;
    }

    #日志存放目录
    access_log /var/log/nginx/access-$logdate.log main;

    #日志缓存,将多个日志进行积累,达到一定量级后写入到磁盘,可以减少磁盘旋转,从而降低磁盘i/o,提升nginx能效
    open_log_file_cache max=10;

    sendfile        on;
    #tcp_nopush     on;

    keepalive_timeout  65;

    #gzip  on;

    include /etc/nginx/conf.d/*.conf;

    #隐藏http版本号
    server_tokens off;
}

version: '3'
services:
  d_nginx:
    container_name: c_nginx
    environment:
      TZ: 'Asia/Shanghai'

FROM nginx:1.20.1-alpine
#定义时区参数
ENV TZ=Asia/Shanghai

FROM nginx:1.12.1-alpine
#将alpine的源更换成阿里云的源
RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories
#定义时区参数
ENV TZ=Asia/Shanghai
#安装时区数据包 
RUN apk add --update tzdata
#设置时区 
RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo '$TZ' > /etc/timezone